Romanoff, Alexis Lawrence,    1892- <br/><br/>
The avian egg/  
by Alexis L. Romanoff and Anastasia J. Romanoff. 
 - New York :    J. Wiley,    [1949] 
 - xiii, 918 p.:    ill. ;    24 cm. 
<br/><br/>Bibliography: p. 809-872. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Birds -- Eggs.
<br/><br/><label>Dewey Class. No.: </label>598.2 ROM