Jones, Randall L. A Frequency Dictionary of German : Core vocabulary for learners / R.L. Jones and E. Tschirner. - 1st ed. - London ; New York : Routledge, 2006. - 189 S. ; 26 cm. - Routledge frequency dictionaries . Includes bibliographical references and indexes ISBN: 978-0-415-31633-0 Subjects--Topical Terms: German language--Word frequency--Dictionaries