by Committee upon Accessory Food Factors (Vitamins), Medical Research Council (Great Britain)

1924

by League of Nations. Health Committee

1927

by United States. Congress. Senate. Committee on the Judiciary

1977

by Medical Research Council (Great Britain). Committee on Dental Disease

1922

by United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Administrative Practice and Procedure

1977

by United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Administrative Practice and Procedure

1977

by United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Environment

1974

by National Research Council (U.S.). Committee on Ionization Potentials and Related Subjects, Karl Taylor Compton, Fred Loomis Mohler

1925