Grading eggs: a manual for eggs grading schools
ALFRED, Van Wagenen
Grading eggs: a manual for eggs grading schools - 2nd ed - Trenton, U.S. 1957 - 26p
POULTRY BREEDING
EGGS -- GRADING POULTRY BREEDING
636.5 V21G
Grading eggs: a manual for eggs grading schools - 2nd ed - Trenton, U.S. 1957 - 26p
POULTRY BREEDING
EGGS -- GRADING POULTRY BREEDING
636.5 V21G