por Beer, Ferdinand Pierre, 1915- [colab.] | Johnston, E. Russell (Elwood Russell), 1925- [autor] | Eisenberg, Elliot R [autor] | Mazurek, David Francis [colaborador] | Murrieta Murrieta, Jesús Elmer [traductor].
por Beer, Ferdinand Pierre, 1915- [autor] | Johnston, E. Russell (Elwood Russell), 1925- [autor] | Eisenberg, Elliot R [colaborador] | Sarubbi, Robert G [colaborador] | Navarro Salas, Rodolfo [traductor] | Adame Perez, Juan Manuel [traductor].
por Beer, Ferdinand Pierre, 1915- [autor] | Johnston, E. Russell (Elwood Russell), 1925- [autor] | Eisenberg, Elliot R [colaborador] | Sarubbi, Robert G [colaborador].