作者
Addams, Jane, 1860-1935
1
Bullock, Charles Jesse, 1869-1941
1
Cox, George James, 1884-
1
Douglass, William, ca. 1700-1752
1
Goodnow, Frank Johnson, 1859-1939
1
Huxley, Thomas Henry, 1825-1895
1
Lee, Frederic S. (Frederic Schiller), 1859-1939
1
Noyes, Arthur A. (Arthur Amos), 1866-1936
1
Richmond, Mary Ellen, 1861-1928
1
Wing, Henry H. (Henry Hiram), 1859-1936
1