Educational media yearbook 1973 / 
editor James W. Brown 
 - New York :  R.R. Bowker,  1981 
 - 451 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>3083506254 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology--Addresses, essays, lectures<br/>Instructional materials centers--Addresses, essays, lectures<br/>Instructional materials personnel--Addresses, essays, lectures