Autor
Richards, Jack C.
4
Jones, Leo
3
Bonestel, Lynn
2
Smoke, Trudy
2
Bonesteel, Lynn
1
Caballero, Rosemary
1
Castillo Rojas, Edith Lorena
1
Cedeño, Melkisedek
1
Cedeño,Melkisedek
1
Freeman, Donald
1
Hess, Natalie
1
Hughes, Arthur
1
Maley, Alan
1
McKay, Heather
1
Nunan, David
1
Randall, Mick
1
Rinvolucri, Mario
1
Sánchez Villalobos, Dinora
1
Ur, Penny
1
Wallace, Michael J.
1
Watson, George
1
White,Ron
1
Woodward, Tessa
1