A first list of some audio visual and other materials made by colleges and departments of education / 
Colleges of Education Learning Programmes Information Service 
 - London :  National Council for Educational Technology,  1973 
 - 2v.  ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices--Catalogues<br/>Audio-visual materials--Catalogues