Baldwin, Bird T.  1875-1928. <br/><br/>
Educational research, 
by Bird T. Baldwin, assisted by Madorah Smith. 
 - Washington,  Govt. print. off.,  1923. 
 - iii, 76 p.  23 cm. 
<br/><br/> At head of title: Department of interior... 
<br/><br/>Bibliography: p. 52-76. 
<br/><br/><label>LCCN: </label>e  24000049  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research.<br/>Education.
<br/><br/><label>LC Class. No.: </label>L111  / .A6 1923, no. 42