Autor
Holm-Hansen, O. (Osmund)
Helbling, E Walter
17
Villafañe, Virginia E
14
Amos, Anthony F.
2
Chalker, Bruce E
2
Ferrario, Martha E.
2
Hewes, C D
2
Hewes, Christopher D
2
Lubin, Dan
2
Silva S, Nelson
2
Amos, T
1
Dunlap, Walter C
1
Eilertsen, Hans Chr
1
Karl, David M
1
Marguet, Emilio R.
1
Mitchell, B G
1
Reid, Freda M H
1
Sakshaug, Egil
1
Silva, N
1