BUSCADOR DE RECURSOS UNSAM

The sounds of spoken English /

von Ripman, Walter, 1869-1947
Veröffentlicht 1925

English phonetics and Specimens of English : in phonetic transcription, annotated, and with a glossary and index /

von Ripman, Walter, 1869-1947
Veröffentlicht 1930

A first English book : for boys and girls whose mother-tongue is not English /

von Ripman, Walter, 1869-1947
Veröffentlicht 1924