[fr] Conversational French Dialogues Touri Language Learning
[en] Born to Parse, How Children Select Their Languages MIT Press
[en] Teaching English as a Foreign Language for Dummies For Dummies
[en] Our Marvelous Native Tongue · the Life and Times of the English Language [Uncorrected] Three Rivers Press
[es] [Gutenberg 27738] • Heath's Modern Language Series: José MVB E-Books