Morgan, Thomas Hunt,  1866-1945. <br/><br/>
Laboratory directions for an elementary course in genetics / 
by T. H. Morgan ... [et al.] 
 - New York :  H. Holt,  1923. 
 - 16 p. ;  24 cm. 
<br/><br/><label>LCCN: </label>ca 23000354  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heredity.
<br/><br/><label>LC Class. No.: </label>QH431  / .M83