1. Correlation between the External Characteristics and Annual Egg Production in S.C. White Leghorn Fowls;Sherwood;Texas Agr. Exp. Sta. Bulletin,1922
2. The Value of Various Culling Factors;Hervey;New Jersey Agr. Exp. Sta. Hints to Poultrymen,1923
3. Correlation between Egg Laying and Yellow Pigment in the Domestic Fowl;Blakeslee;Storrs, Conn.,1915
4. The Correlation of Seasonal Distribution and Hatchability of Eggs in S;Craft;C. White Leghorn Fowls. Unpublished data. Iowa State College.,1923
5. The Correlation between Monthly Egg Production in the Pullet Year in White Wyandotte Fawls;Harris;Polultry Science,1922