Autor
Reed, John Calvin, 1930-
2
Blackwelder, Blake W.
1
Brobst, Donald A. 1925-2011
1
Bryant, Bruce, 1930-
1
Fischer, George W.
1
Gazdik, Gertrude C.
1
Griffitts, Wallace R. 1919-
1
Grosz, A. E.
1
Lesure, Frank Gardner, 1927-
1
Overstreet, William C. 1919-
1
Parker, John M.
1
Reinemund, John A.
1
Sigafoos, Robert Summer, 1920-
1
Williams, B. B.
1
Yates, Robert G. 1910-
1