Directory of U.S. register of merit sires and dams
Subtitle: including a summary of their family performance : 1939-1940 trap-nest record year
Edition: Issued November 1941
Series: A. H. D -- no. 39a; AHD -- no. 39a
Published: 1941
Language: eng
Number of pages: 71
Subjects: Poultry; Directories; Breeding; Poultry industry
Notes: Cover title.