by Albert Frederick Puchstein, Embury Ashbury Hitchcock, Fred Twichell Heath, Himansu K. Mitra, Jacob Ralph Shank, John Otis Everhart, Paul Herman Mautz, Raymond E. Birch, William Littell Everitt, Emerson Edward Kimberly, Harry David Foster, Ivor St. Clair Campbell, John Francis Byrne, John Merrill Weed

1930