Unsere Freunde Ubungsheft : German 1 / Writer George Winkler ; Prepared by Margrit Meinel Diehl - Atlanta ; Chicago ; Dallas ; New York ; Orlando ; San Diego : Harcourt Brace Jovanovich , 1978. - 222 S. ISBN: 0-15-383667-9 Subjects--Topical Terms: Deutsches Lehrbuch