Autor
Burger, R. M.
1
Del Toro, Vincent
1
Donovan, R. P.
1
Fett, Gilbert Howard 1909-
1
Fich, Sylvan
1
Flores, Iván
1
Hershberger, William Delmar n. 1903
1
Johnson, David E.
1
Martin, Thomas Lyle
1
Matsch, Leander W.
1
Potter, James L.
1
Ryder, John Douglas 1907-
1
Skroder, Carl Eric
1
Soohoo, Ronald F.
1
Stout, Melville Bigham n. 1895
1
Vail, Charles R.
1
Van der Ziel, Aldert 1910-
1
Ward, Robert Page
1
Wolf, Stanley
1