Genre
Textbooks for foreign speakers
Electronic books
23
Libros electrónicos
9
Libros de texto para extranjeros
4
Problems, exercises, etc
4
Self-instruction
4
Readers
3
Glosarios, vocabularios, etc
1
Glossaries, vocabularies, etc
1
Handbooks, manuals, etc
1
Lecturas
1
Libros de texto
1
Problemas, ejercicios, etc
1
Sound recordings for English speakers
1