[en] [Gutenberg 28900] • English Synonyms and Antonyms / With Notes on the Correct Use of Prepositions Sahara Publisher Books
[fr] Conversational French Dialogues Touri Language Learning
[en] Use the Right Word · Modern Guide to Synonyms and Related Words Reader's Digest
[es] [Gutenberg 27738] • Heath's Modern Language Series: José MVB E-Books
[es] Bilingual Book in English and Spanish LingoLibros
[en] Born to Parse, How Children Select Their Languages MIT Press
[en] Teaching English as a Foreign Language for Dummies For Dummies