Negative campaigning: In the May 4 Section A, a column about the mayoral campaign reported that candidate Wendy Greuel said she resorted to negative campaigning in response to an advertisement by backers of her rival, Eric Garcetti. Greuel cited a video depicting her as cartoon villain Cruella De Vil, which Greuel's campaign said was an ad Garcetti's supporters posted online during the primary campaign. In fact, the video was not an ad and did not appear online until April 25, more than a month after the primary election, when its creator posted it on his YouTube channel and personal blog. The video's creator says he has no connection to Garcetti or his campaign, and he is not a campaign contributor.

"Flashdance" review: In the May 9 Calendar section, a review of "Flashdance the Musical" identified the actress playing Alex as Emily Padgett. Padgett, who was correctly identified in the photograph that accompanied the review, previously played Alex. Jillian Mueller portrayed Alex in the production that was reviewed at the Segerstrom Center for the Arts in Costa Mesa.

Book title: The May 7 Jonah Goldberg column had a typo in the subtitle of William Greider's book "Secrets of the Temple." It is "How the Federal Reserve Runs the Country," not "County."

Coaching in L.A.: In the May 5 Sports section, a column about sports coaches in the hot seat said that New York Jets Coach Rex Ryan has coached the team for six seasons and that New York Mets Manager Terry Collins has headed his team for four seasons; in fact, Ryan has coached the Jets for four seasons and Collins is in his third season as Mets manager.

"Sicily" exhibition: In the April 10 Calendar section, a review of the Getty Villa's "Sicily" exhibition misspelled the name of the artist Kimon as Kiron.

Autry museum: In the April 28 Arts & Books section, an article about the Autry National Center of the American West said that Shelby Tisdale, its vice president in charge of curators and exhibitions, began her job in January. She started last September.

Proposition 13 loophole: An article in the May 5 Section A about a loophole in Proposition 13 that enables businesses to sidestep a tax reassessment examined the purchase of a Santa Monica hotel company by Michael Dell and partners. The article said Dell's lawyer cited state Revenue and Taxation Code Section 462.180(d)(s) in arguing that a husband and wife can split a property to avoid a change of ownership. The citation is from a section of the Board of Equalization's property tax rules, not the tax code.

Afghan dam: An article in the May 5 Section A about the Afghan government assuming responsibility for upgrading the American-built hydroelectric dam project at Kajaki incorrectly described the U.S. special inspector general for Afghanistan reconstruction. The special inspector general is an independent agency created by Congress. It is not part of the Pentagon.

Urban Drew: The obituary of World War II flying ace Urban Leonard "Ben" Drew in the May 6 LATExtra section incorrectly gave his last name twice as Ryan.

Prison plan: In the May 4 LATExtra section, an article about Gov. Jerry Brown's latest plan to reduce prison crowding said that the plan called for the early release of thousands of inmates. In fact, the plan proposes releasing hundreds, not thousands, of inmates.

Military deaths: In the April 28 California section, the obituary of Sgt. 1st Class James F. Grissom said that he was a member of an Army airborne Special Services battalion. He was a member of an airborne Special Forces group.

Amanda Demme: In the May 4 Calendar section, an article about photographer Amanda Demme said that Demme's work is being shown at the Venice gallery Oblivion. The gallery's name is Obsolete.

Channa Horwitz: In the May 4 LATExtra section, the obituary of artist Channa Horwitz misspelled the first name of performance artist Allan Kaprow as Allen.

Santa Monica-Malibu schools: In the April 28 Section A, an article about Malibu schools seeking a split from the Santa Monica-Malibu School District said that Charlotte Biren played violin in Santa Monica High School's top orchestra. She played the viola.

Grand Park filming: In the May 1 LATExtra section, an article about Los Angeles County supervisors approving new filming fees for downtown's Grand Park said that crews would have to pay as much as $5,000 a day to use the site, depending on when and where they shoot. Actually, production firms will have to pay as much as $5,000 per block of park space they use.

Daytime Emmy Awards: In the May 2 Calendar section, a Quick Takes item about nominations for the Daytime Emmy Awards misspelled the first name of longtime game show host Monty Hall as Monte.

Safety recall: In the April 30 Business section, an article about a Nissan safety recall said that Maxxis — Nissan's spare tire supplier — had a faulty inflation gauge on an air pump and was either overinflating or underinflating spare tires. The faulty equipment belonged to Nissan and was located at the automaker's Canton, Miss., plant.

State environmental laws: In the April 18 LATExtra section, an article about the California Environmental Quality Act said that a group called California Unions for Reliable Energy has filed dozens of environmental lawsuits that can delay construction of power plants. It should have said the group has filed dozens of lawsuits and interventions in regulatory proceedings that can delay construction of power plants.

British war-era poster: In the May 1 Section A, a headline on an article about a British World War II-era poster with the slogan "Keep calm and carry on" said that there was a copyright dispute over the phrase. The dispute is over a trademark. Also, a photo caption that accompanied the story referred to a vendor's copyright. It should have said trademark.

Santa Monica-Malibu schools: In the April 28 Section A, an article about Malibu schools seeking a split from the Santa Monica-Malibu School District said that Charlotte Biren played violin in Santa Monica High School's top orchestra. She played the viola.

Mayoral contributions: In the April 30 LATExtra section, an article about a Los Angeles mayoral debate said that a union representing Department of Water and Power workers had spent $3.5 million on behalf of candidate Wendy Greuel. In fact, the union has given $1.45 million to an independent committee that has reported spending $3.6 million on efforts to elect Greuel.

Valley fever risk: In the April 30 LATExtra section, an article about a recommendation to move inmates from some California prisons because of the risk of contracting valley fever said that a state health official wrote to the department of corrections seeking assistance in combating the disease. The state official sought assistance from the federal Centers for Disease Control and Prevention.

Sneaks list: In the April 28 Calendar section's Summer Sneaks list of coming movies, the character name Themistokles was misspelled as Themistocles in an item for "300: Rise of an Empire" as well as in a caption under a photo of actor Sullivan Stapleton from that movie.

Military deaths: The obituary in the April 28 California section about the death of Sgt. 1st Class James F. Grissom said he was a member of an Army airborne Special Services battalion. He was a member of an airborne Special Forces group.

Sneaks list: A preview in the Summer Sneaks list in the April 28 Calendar section said that the movie "Still Mine," opening July 12, takes place in New Brunswick, N.J. It is set in New Brunswick, Canada.

Ed Schultz: A Quick Takes item in the April 26 Calendar section about Ed Schultz returning to MSNBC on weekends said it had been announced in March that he was losing his weekly prime-time show on the cable news network. His show aired weeknights.

Sally Kellerman: In the Classic Hollywood column and an accompanying graphic in the April 29 Calendar section, the character Sally Kellerman played in the 1970 movie "MASH" was identified as "Hot Lips" Houlihan. The character's last name in the movie was O'Houlihan. It was shortened to Houlihan in the TV series "MASH," in which Loretta Swit played the character.

"The Big Wedding": A movie review of "The Big Wedding" in the April 26 Calendar section misspelled Colombia as Columbia.

San Gabriel dispute: In the April 5 LATExtra section, an article about the dispute over San Gabriel Councilman-elect Chin Ho Liao's place of residence said that resident Fred Paine sent a complaint about Liao's residency to the Los Angeles County district attorney's office. The district attorney's office did receive such a complaint, but Paine says he did not send it.

Boston bombings timeline: In the April 21 Section A, a timeline of events in the Boston Marathon bombings misidentified the surviving suspect who was hospitalized under heavy guard. His name is Dzhokhar Tsarnaev, not Dzhokhar Tamerlane.

Herbalife meeting: In the April 26 Business section, an article about Herbalife's shareholder meeting indicated that investor Robert L. Chapman Jr. said that board members answered his questions openly after the meeting. He did not say his questions were answered openly. What he said was: "If a shareholder had a question the purpose of which was to obtain an answer … and such Q&A didn't violate [securities regulations], it was right there for the asking."

Leo Branton Jr.: In the April 26 LATExtra section, the obituary of attorney Leo Branton Jr. said that Dorothy Dandridge was the first African American actress nominated for an Academy Award. She was the first African American nominated as best actress.

Boston bombings: In the April 26 Section A, an article about the Boston bombings identified Eugene Fidell, a legal expert on U.S. military law, as a professor at the Yale School of Law. He is a lecturer at the school, which is known as Yale Law School.

HIV vaccine trial: In the April 26 LATExtra section, an article about an HIV vaccine trial that was halted ahead of schedule said that the vaccine was administered in a three-shot regimen. The regimen also involved a booster, for a total of four shots.

Motorcycle deaths: In the April 26 Business section, an article about an increase in motorcycle deaths in 2012 listed one cause as "fewer states without helmet laws." The sentence should have said "fewer states with helmet laws."

"Arthur Newman": An article about the film "Arthur Newman" in the April 24 Calendar section said that the movie was the first that Colin Firth signed onto after winning an Oscar for "The King's Speech." In fact, the first was "Gambit," a remake of a 1966 film.

Internet sales tax: In the April 23 Business section, an article about a bill to allow states to require the collection of online sales taxes indicated that Texas was one of the few states that do not impose a sales tax. Texas does have a sales tax.

Bomb squad calls: In the April 23 LATExtra section, the caption for a photo that accompanied an article about a surge in bomb squad calls since the Boston Marathon explosions said that a bomb squad member pictured was carrying a backpack that was found on the Cal State L.A. campus during a bomb scare. The backpack was found at a fast-food restaurant near the campus.

TV pilots: In the April 24 Calendar section, an article about the larger number of network TV pilots being developed for next season said that CBS' ratings were down 3% compared with last season among viewers ages 18 to 49. Based on new ratings released Tuesday, CBS is now even with last year in that ratings category.

"I'll Eat You Last": In the April 24 Calendar section, an article about "I'll Eat You Last," a Broadway show based on the career of Hollywood talent agent Sue Mengers, said that the playwright, John Logan, is represented by Creative Artists Agency's Brad Silberman. His agent is CAA's Brian Siberell.

Lionel Bringuier: An article in the April 21 Arts & Books section about Los Angeles Philharmonic resident conductor Lionel Bringuier included one reference that misidentified him as an associate conductor.

Marijuana measures: In the April 22 Section A, an article about competing medical marijuana measures on Los Angeles' May 21 ballot said that Proposition D was backed by the Los Angeles County Democratic Club. It should have said the Los Angeles County Democratic Party.

Wine of the Week: In the April 20 Saturday section, the Wine of the Week review of the 2009 Paul Jaboulet Ainé Crozes Hermitage "Les Jalets" gave an incorrect phone number for Monopole Wine in Pasadena. The correct number is (626) 577-9463.

Boston bombings timeline: In the April 21 Section A, a timeline of events in the Boston Marathon bombings misidentified the surviving suspect who was hospitalized under heavy guard. His name is Dzhokhar Tsarnaev, not Dzhokhar Tamerlane.

Dean Drummond: The obituary of microtonal composer Dean Drummond in the April 22 LATExtra section misspelled the last name of his companion, Esther Starry Schor, as Shor.

Reed's profile: A Stock Spotlight article about Reed's Inc. in the April 8 Business section said the company bottled beverages sold under the Martinelli's and Izze names. Reed's does not bottle for those companies.

"Hemlock Grove": An article about the new Netflix series "Hemlock Grove" in the April 18 Calendar section misspelled the first name of Landon Liboiron, the actor who plays Peter Rumancek, as Brandon.

Cannes Film Festival: An article about the Cannes Film Festival in the April 19 Calendar section misspelled the first name of filmmaker Steven Soderbergh as Stephen.

Jenny Lind explosion: An article in the April 14 California section about the commemoration of the 1853 explosion aboard the steamboat Jenny Lind said that amateur historians who researched the event planned to place a copy of their white paper in San Jose State University's California Room. The California Room belongs to the San Jose City Library, which is housed in the same building as the university library.

Patricia McCormick obituary: The obituary of bullfighter Patricia McCormick in the April 14 California section said that she was trained by Alejandro de Herrera. It was Alejandro del Hierro.

The Masters: A column in the April 14 Sports section said that Roberto De Vicenzo "lost a Masters title" for signing an incorrect scorecard after the final round of the tournament in 1968. Even without the error, which inflated his score by one stroke, he would not necessarily have been the winner; he would have been in a playoff with Bob Goalby.

Boston Marathon heroes: An article in the April 18 Section A about heroic actions after the Boston Marathon bombings quoted Massachusetts Gov. Deval Patrick as saying that one of the wounded was trying to locate a man who had helped her, described as an Army veteran named Tyler who had served in Afghanistan. After publication, The Times spoke with Tyler Dodd, who said that there appeared to have been a misunderstanding in the chaos after the explosions. Dodd told The Times that he had not served in the military, as the governor had said, though he had comforted the woman and shown her his own scars from a previous injury.

Bullet train: An article in the April 19 LATExtra section about a bidding process used by the California High-Speed Rail Authority misidentified a construction expert at the Design Build Institute of America. He is Rex Huffman, not Huffington.

Lakers game: An information box accompanying an article in the April 19 Sports section said that the Lakers would be playing the San Antonio Spurs on Saturday. As the article correctly noted, the game will be played on Sunday in San Antonio at 12:30 p.m PDT.

The Masters: A column in the April 14 Sports section said that Roberto De Vicenzo "lost a Masters title" for signing an incorrect scorecard after the final round of the tournament in 1968. Even without the error, which inflated his score by one stroke, he would not necessarily have been the winner; he would have been in a playoff with Bob Goalby.

Meningitis cases: An article in the April 18 LATExtra section about Los Angeles County's offer to give free meningitis vaccinations to low-income and uninsured residents said an average of about 25 deaths from the disease occur in the county each year. It should have said that about 25 cases — not deaths — occur in the county each year.

Jenny Lind explosion: An article in Sunday's LATExtra about the commemoration of the 1853 explosion aboard the steamboat Jenny Lind said amateur historians who researched the event planned to place a copy of their white paper in San Jose State University's California Room. The California Room belongs to the San Jose City Library, which is housed in the same building as the university library.

Stephen Hawking visit: In the April 13 LATExtra section, the caption for a photo with an article about physicist Stephen Hawking's visit to the Cedars-Sinai Regenerative Medicine Institute reversed the identities of two people in the photo. The photo showed institute Director Clive Svendsen speaking while Dr. Robert Baloh and others watched.

Patricia McCormick obituary: The obituary of bullfighter Patricia McCormick in the April 14 California section said that she was trained by Alejandro de Herrera. It was Alejandro del Hierro.

Bruce Lee: A chart accompanying the Classic Hollywood column about Bruce Lee in the April 15 Calendar section described 1972's "The Way of the Dragon" as the action star's final film. It was not Lee's last film.