Lange, Eva C. <br/><br/>
Collins Cortina German in 20 lessons :  intended for private study and for use in schools ; with a new system of simplified phonetic pronunciation, based on the method of R. Diez de la Cortina / 
by Eva C. Lange 
 - London :  Collins,  1974 
 - 360 p. :  ill. ;  23 cm. 
 - Cortina method .
<br/><br/> German in 20 lessons 
<br/><br/><label>ISBN: </label>0004340027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>German language--Conversation and phrase books<br/>German language--Grammar