[en] Teaching English as a Foreign Language for Dummies For Dummies
[fr] Conversational French Dialogues Touri Language Learning
[en] [Gutenberg 18119] • How to Teach Phonics Createspace Independent Publishing Platform
[es] Bilingual Book in English and Spanish LingoLibros
[es] [Gutenberg 27738] • Heath's Modern Language Series: José MVB E-Books
[en] [Gutenberg 6480] • On the Study of Words Createspace Independent Publishing Platform
[en] [Norsemen Academy 01] • Studying her Vikings Jules William Press
[en] [Gutenberg 15329] • An apology for the study of northern antiquities Quality Classics
[en] Born to Parse, How Children Select Their Languages MIT Press