Autor
Moore, Raymond Cecil, 1892-1974
Teichert, Curt, 1905-1996
3
Cox, Leslie Reginald, 1897-1965
2
Loeblich, Alfred R. 1914-1994
2
Tappan, Helen Niña, 1917-2004
2
Wright Barker, R.
2
Bassler, Ray S. 1878-1961
1
Benson, R. H.
1
Hass, Wilbert H. 1906-1959
1
Hedgpeth, Joel W. 1911-2006
1
Knight, J. Brookes 1888-1960
1
Petrunkevitch, Alexander, 1875-1964
1
Stormer, Leif
1