Heering, Walther  Dr. <br/><br/>
The Rollei book:  a text book for the use of Rolleiflex and Rolleicord/ 
Dr. Walther Heering 
 - 6th ed. 
 - Seebruck Am Chiemsee:  Heering - Verlag,  c1954 
 - 272 p.:  ill.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Composition (Photography)<br/>Rolleifex camera<br/>Color photography
<br/><br/><label>Dewey Class. No.: </label>770.2