- Portuguese language--Grammar (5)
- Portuguese language--Grammar--1950- (3)
- Portuguese language--Textbooks for foreign speakers--English (3)
- Portuguese language--Grammar--Textbooks (2)
- Portuguese language--Textbooks for foreign speakers (2)
- Portuguese language--Usage--Handbooks, manuals, etc (2)
- Portuguese language--Conversation and phrase books (1)
- Portuguese language--Conversation and phrase books--English (1)
- Portuguese language--Glossaries, vocabularies, etc (1)
- Portuguese language--Grammar--Dictionaries (1)
- Portuguese language--Grammar--Problems, exercises, etc (1)
- Portuguese language--Orthography and spelling--Handbooks, manuals, etc (1)
- Portuguese language--Spoken Portuguese (1)
- Portuguese language--Verb--Tables (1)