Pupils' progress through the grades. 
Issued by the Bureau of reference, research and statistics. Eugene A. Nifenecker, director. Board of education, the city of New York ... William L. Ettinger, superintendent of schools ... 
 - [New York city]  1922. 
 - 169 p.  incl. tables, diagrs.  23 cm. 
 - Its Publication  no. 19 .
 - New York (City)  Board of Education.  Bureau of reference, research and statistics.  Publication  no. 19. .
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<br/><br/><label>LCCN: </label>e  23000335  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grading and marking (Students)
<br/><br/><label>LC Class. No.: </label>L183.N5  / A67 no. 19