Author
Prindle, L. M. 1865-1956
3
Moffit, Fred H. 1874-1958?
2
Bain, Harry Foster, 1872-1948
1
Bastin, Edson S. 1878-1953
1
Burrows, John S. 1911-
1
Butts, Charles, 1863-1946
1
Clapp, Frederick G. 1879-1944
1
Collier, Arthur J. 1866-1939
1
Dale, T. Nelson 1845-1937
1
Fenneman, Nevin Melancthon, 1865-1945
1
Fuller, Myron L.
1
Gannett, Samuel S. 1861-1939
1
Girty, George Herbert, 1869-1939
1
Hillebrand, W. F. 1853-1925
1
Lindgren, Waldemar, 1860-1939
1
Martin, G. C. 1875-1943
1
Randall, Dwight T.
1
Russell, Israel C. 1852-1906
1
Schrader, Frank C. 1860-1944
1
Stone, Ralph W. 1876-1964
1