Essays in honour of Berndt Godenhielm, 70 years, January 31, 1983, E. J. Manner, 70 years, July 16, 1983, Sigurd von Numers, 80 years, March 20, 1983 Juhlajulkaisu Berndt Godenhielm, 1913 - 31/1 - 1983, E. J. Manner, 1913 - 16/7 - 1983, Sigurd von Numers, 1903 - 20/3 - 1983 - Godenhielm, Berndt (Finnish branch of the International law assoc., 1984)