Craig, Robert T. <br/><br/>
The mammillaria handbook: with descriptions, illustrations, and key to the species of the genus mammillaria of the cactaceae 

 - Pasadena  Abbey Garden Press  1945 
 - xiv, 390 p.  il.; 26 cm. 
<br/><br/> Incluye: bibliografía e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MAMMILLARIA<br/>MANUALES<br/>CACTACEAE