Van Tress, Robert. <br/><br/>
House plants, 
by Robert Van Tress. 
 - Chicago,  Field Museum of Natural History,  1937. 
 - 36 p.  incl. illus., pl.  22 cm. 
 - Field museum of natural history. Botany leaflet 20 .
<br/><br/> Cover-title. 
<br/><br/><label>LCCN: </label>s  37000054  
<br/><br/><label>Subjects--Topical Terms: </label><br/>House plants.
<br/><br/><label>LC Class. No.: </label>QK1  / .F43 no. 20