Autor
Feder, Ernest
Bartolomé, Leopoldo José, comp
1
Calderón Salazar, Jorge A
1
Erasmus, Charles J.
1
Foster, George M.
1
Gorostiaga, Enrique E., comp
1
Harris, Marvin
1
Ortiz, Sutti
1
Powell, John Duncan
1
Pucciarelli, Alfredo
1
Ramírez Silva, Andrés
1
Torres, Guillermo
1
Wagley, Charles
1
Wolf, Eric R.
1