1905

by American Roentgen Ray Society

1904

by American Medical Association

1898

by American Medical Association. Section on Ophthalmology

1906

by American Medical Association. Section on Ophthalmology. Session

1924

by American Institute of Homeopathy. Annual Session

1911

1920

by American Dental Association

1929

by American Ceramic Society

1927

by Association of American Physicians

1897

by American Laryngological, Rhinological, and Otological Society

1930

by American Otological Society. Central Bureau of Research, American Otological Society. Committee on Otosclerosis

1929