Trager, Edith Croweed <br/><br/>
Pronunciation drills for learners of English  y Edith Croweed Trager and Sera Cook Herderson  [sound recording] / 

 - Portland, Oregon:  English Language Service,  1956 
 - 7 sound cassettes + 1 manual 
<br/><br/> Manual is not available  APD 00464