[11] Mack, W. B., Stout, G. J., and Rahn, E. M. Fertilizer experiments with tomatoes. Penn. Exp. Sta. Bul. 393. 1940.
[12] Sayre, C. B. Starter Solutions. Farm Research (N.Y. Expt. Sta.) Vols. V, VI, and VII, No. 2, April, 1939, 1940, and 1941.
[13] Wellington, Richard. Comparison of first generation tomato crosses and their parents. Minn. Tech. Bul. 6. 1922.
[14] Loomis, W. E. Studies in the transplanting of vegetable plants. Cornell Memoir 87. 1925.
[15] Watts, V. M. Factors affecting production of wrinkled tomato fruits. Proc. Amer. Soc. Hort. Sci. 30: 513-517. 1934.
[16] Emerson, R. A. Experiments in mulching garden vegetables. Neb. Bul. 80. 1903.
[17] Thompson, H. C. Pruning and training tomatoes. Cornell Sta. Bul. 580. 1934.
[18] MacGillivray, J. H. Tomato color as related to quality in canning. Ind. Bul. 350. 1931.
[19] Sando, C. E. The process of ripening in the tomato, considered especially from the commercial standpoint. U.S.D.A. Bul. 859. 1920.
[20] Wright, R. C. et al. Effect of various storage temperatures on storage and ripening of tomatoes. U.S.D.A. Tech. Bul. 268. 1931.