PALMER: Xanthophyll, the principal natural yellow pigment of the egg yolk, body fat and blood serum of the hen. J. Biol. Chem., 1915, xviii, 23.
PALMER: The physiological relation of the pigment to the xanthophyll of plants. J. Biol. Chem., 1915, xvii, 261.
PALMER: The physiological relation of plant carotinoids to the carotinoids of the cow, horse, sheep, goat, pig, hen. J. Biol. Chem., 1916, xxvii, 23.
PALMER AND KEMPSTER: The relation of plant carotinoids to growth, fecundity and reproduction of fowls. J. Biol. Chem., 1916, xxxix, 299.
PALMER AND KEMPSTER: The physiological relation between fecundity and the natural yellow pigmentation of certain breeds of fowls. J. Biol. Chem., 1919, xxxix, 313.
PALMER AND KEMPSTER: The influence of certain feeds and certain pigments on the color of egg yolk and body fat of fowls. J. Biol. Chem., 1919, xxxix, 331.
PALMER AND KEMPSTER: Carotinoids and, fat-soluble vitamin. Science, 1919, l, 1.
PORTER, P.: Regeneration du testicule chez le pigeon carence. Compt. rend., clix, 1920, 1339.
PORTER, P.: Creation de vitamines dans l'intestin des lapins recevant une nourriture sterilisée a haute temperature. Compt. rend. 1920, clxx, 478.
PRITCHARD, E.: The causation and treatment of rickets. Brit. Med. J., 1919, 627.