Fourth Congress and General Assembly of the International Union of Crystallography

July 10-July 17, 1957
Montreal, Canada

• Fourth General Assembly Acta Cryst. (1957). 10, 721-726
  
• Fourth International Congress Acta Cryst. (1957). 10, 726-727
• Mineralogical Excursions Acta Cryst. (1957). 10, 727
  
• Symposia Acta Cryst. (1957). 10, 727
• Statutes and By-Laws Acta Cryst. (1957). 10, 727-734
• Abstracts of Papers Acta Cryst. (1957). 10, 735-863