SUBJECT
English
Grammar
Textbooks for foreign speakers
German language
8
Spanish language
7
Conversation and phrase books
6
French language
6
Study and teaching (Secondary)
4
Arabic language
3
Verb
3
Composition and exercises
2
Tagalog language
2
Cantonese dialects
1
Conversation and phrase book
1
Dutch language
1
Grammar, Comparative
1
Language and languages
1
Portuguese language
1
Problems, exercises, etc
1
Readers
1
Russian language
1
Self instruction
1
Self-instruction
1
Spoken French
1
Study and teaching
1