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
![[Executive Committee]](https://www.iucr.org/__data/assets/image/0019/69301/montreal_1957_ec.jpg)
The Executive Committee at the Montreal Congress.