ปัญหาหลายภาษา

C. C. Uhlenbeck: A Manual of Sanskrit Phonetics

Adolphe Dreyspring: The German Verb-Drill

J. H. Westcott: Selected Letters of Pliny

George B. Hussey: A Handbook of Latin Homonyms

Wilhelm Gesenius & Josiah Willard Gibbs: Hebrew and English Lexicon of the Old Testament

Edward Lorraine Walter: Classic French Letters

J. Morris Jones: A Welsh Grammar, Historical and Comparative

Robert Seymour Conway & Edward Vernon Arnold: The Restored Pronunciation of Greek and Latin

W. H. Van der Smissen: Kinder-Und Hausmarchen Der Gebruder Grimm

Bath Charles Smart: The Dialect of the English Gypsies