Collings, Ellsworth,    1887- <br/><br/>
An experiment with a project curriculum, /    
by Ellsworth Collings ; with an introduction by William H. Kilpatrick. 
 - New York :   The Macmillian Co.,   1923. 
 - xxvi, 346 p. :    front., plates, facsims., diagrs.;    21 cm. 
<br/><br/>  The author's doctoral dissertation, Columbia university, 1924, but n ot published as a thesis. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Project method in teaching.--------<br/>Education.--------