Funk and Wagnalls new pratical standard dictionary of the English language editor
New York Funk and Wagnalls Company 1955
 Buku Referensi
Funk and Wagnalls standard dictionary of the English language International Edition
New York Funk and Wagnalls 1958
 Buku Referensi
Second Language Research
Norwich : Edward Arnold, The educationl, academic and medical publishing
 Majalah, Jurnal, Buletin
Philosophy and History : a review of German language research contributions on philosophy, history and cultural developments
Tubingen : Laupp & Gobel
 Majalah, Jurnal, Buletin
Foundations of language : international journal of language and philosophy
Boston : D. Reidel Publishing
 Majalah, Jurnal, Buletin