William, Louis O. <br/><br/>
The orchidaceae of Mexico 
Louis O. Williams. 
 - Tegucigalpa, Honduras  Ceiba  1951 
 - 321 p.  il., retratos  24 cm. 
 - A scientific journal issued by the Escuela Agricola Panamericana  2 .
<br/><br/> I160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orquídeas
<br/><br/><label>LC Class. No.: </label>SB409  / .W54