TY  - BOOK
AU  - Collings,Ellsworth
TI  - An experiment with a project curriculum, / 
PY  - 1923///
CY  - New York : 
PB  - The Macmillian Co., 
KW  - Project method in teaching
KW  - Education
N1  -  The author's doctoral dissertation, Columbia university, 1924, but n ot published as a thesis
ER  -