Autor
Comité Internacional Pro-Ciegos (México)
3
Holloway, John
3
Voeller, Edward A
3
Wallace Roninett, Betty
3
Allen, Harold Byron, 1902-
2
Automatic Learning Institute (Los Angeles, Calif.)
2
Clute International Institute de México
2
Combalier, Claude
2
D'Images, Atelier
2
Day, Peters
2
Ferrero Campos, Francisco
2
Flores Kastanis, Paula
2
Gruneberg, Anne
2
Gómez, Rosalie
2
Hinojosa Félix, Irma
2
Holtz, Chantal
2
Jaramillo, Ansel
2
Kent, Michael
2
Lacroix, Jean
2
Ortega Argüelles, María del Rosario
2
Vermes, Vivienne
2
Villafuerte Thomas, Laura,
2
Villafuerte Thomas, Martha Esther,
2
Alboukre, Aarón
1
Allen, Harold Byron 1902-
1
BBC English by Radio and TV
1
Booth, David
1
García, Amelia Elvira
1
Gaél, Zaü et
1
Graham, Carolyn
1
Herbert, Isabelle
1
Herrera, Mario
1
Melaranci, Elisabettail,
1
Peters, Jo-Ann
1
Puig Rosado, Fernando
1
Ravier, Jean-Michel
1
Reader's Digest (México)
1
Rogers, Mickey,
1
Rosenthal, John
1
Salazar de Doria, Idolisa
1
Scuderi, Flavia,
1
Tavard, A
1
Tavard, A.
1
The Linguaphone Institute
1
Villafuerte Thomas, Laura
1
Villafuerte Thomas, Martha Esther
1
Waterman, John,
1