1. Haying in the Rain A Study of Grass Silage. Mass;Archibald;Agr. Expt. Sta. Bul.,1939
2. The Carotene Requirements for Normal Reproduction;Converse;Jour. dairy Sci.,1938
3. The Production of High Vitamin A Milk by Diet;Deuel;Jour. Nutr.,1941
4. Utilization of Vitamin A by Dairy Cows;Fraps;Texas Agr. Expt. Sta. Bul.,1937
5. Determination of Carotene as a Means of Estimating the Vitamin A Value of Forage;Guilbert;Indus. Engin. Chem., Analyt.ed.,1934