Wheeler, William Morton (1865–1937)

Drummond, Henry (1851–1897)

Maeterlinck, Maurice Polydore Marie Bernard (1862–1949) Sutro, Alfred (1863–1933)

Thomson, J. Arthur (1861–1933)

Wilson, Edmund Beecher (1856–1939)

Lewis, Thomas (1881–1945)

Metcalf, Clell Lee (1888–1948) Flint, Wesley Pillsbury (1882–1943)

Jordan, David Starr (1851–1931) Evermann, Barton Warren (1853–1932) Dugmore, Arthur Radclyffe (1870–1955)

Locy, William A. (1857–1924)

Woodruff, Lorande Loss (1879–1947)

Hunter, George W. (1873–1948)

Hegner, Robert William (1880–1942)

Darwin, Charles Robert (1809–1882)

Darwin, Charles Robert (1809–1882)

Darwin, Charles (1809–1882)

Calkins, Gary Nathan (1869–1943) Macmillan Company.

Calkins, Gary Nathan (1869–1943)

Comstock, John Henry (1849–1931) Kellogg, Vernon Lyman (1867–1937)