Gates R Ruggles <br/><br/>
Pedigress of negro families 
Gates R Ruggles 
 -  1949 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>33850 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Human genetics<br/>Anthropology
<br/><br/><label>Dewey Class. No.: </label>Y17:G:66y7, H9