Curtis, Francis D.  1888- <br/><br/>
A digest of investigations in the teaching of science in the elementary and secondary schools / 
Francis D. Curtis 
 - New York :  Teachers College Press,  1971 
 - 3v. ;  22 cm. 
 - Reviews of research in science education .
<br/><br/> Vol.1 summarizes research in elementary and secondary education published prior to 1925  Vol.2 and 3 cover research published 1925-30 and 1931-37, respectively, including studies in higher education 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching