Autores
Hammerly Dupuy, Daniel
2
Ribeiro, Darcy
2
Arciniegas, Germán
1
Arcyle, M.
1
Belloc, Hilaire
1
Fourastié, Jean
1
Germani, G.
1
Huizinga, J.
1
Johnson, H. M.
1
Mead, Margaret
1
Nef, John U.
1
Nef, U.
1
Novella Domingo, Juan
1
Parsons, Talcott
1
Reyles, Carlos María
1
Russell, Bertrand; Russell, Dora
1
Toffler, Alvin
1
White, Leslie A.
1