At head of title: ... League of Nations.
Title varies: Oct. 1926, Report of Permanent Standards Commission. Apr. 1928, Report of the Permanent Commission on Standardisation on Sera, Serological Reactions and Biological Products. June 1931- Report of the Permanent Commission on Biological Standardisation.
Sessions and document numbers: [1st sess.] Geneva, Oct. 11-13, 1926 (C.H. 517) Publications of the League of Nations. III. Health. 1926. III. 21. [2d sess.] Frankfort-on-Main, Apr. 25-28, 1928 (C.H. 717) Publications ... 1928. III. 6. [3d sess.] London, June 23, 1931 (C.H. 1056 (1)) Series of League of Nations publications. III. Health. 1931. III. 10.