Autor
Adams, James Truslow
1
Aronowitz, Stanley
1
Averbach, Márgara
1
Birnbaum, Pierre
1
Bugeda Sánchiz, José
1
Gans, Herbert J.
1
Green, Arnold W.
1
Hernández Sánchez-Barba, Mario
1
Hofer, Evelyn
1
Leyburn, James Graham
1
Mazía, Floreal
1
Mills, C. Wright
1
Murguía, Adolfo
1
Murillo Rubiera, Fernando
1
Packard, Vance
1
Pritchett, V.S
1
Verón, Eliseo
1