Engelhardt N L <br/><br/>
Planning secondary school buildings 
Engelhardt N L 
 -  1949 
<br/><br/><label>Standard No.: </label>87,147 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T2:6, H9