MacGillivray, J. H. Tomato color as related to quality in the tomato canning industry. Ind. Exp. Sta. Bul. 350. 1931.

Gaylord, F. C. and MacGillivray, J. H. Tomato quality studies. Field and harvest factors affecting grade. Ind. Exp. Sta. Bul. 394. 1934.

Hauck, C. W. Marketing cannery tomatoes on grade in Ohio. Ohio Exp. Sta. Bul. 504. 1932.

Greenhouse

Beattie, J. H. Greenhouse tomatoes. U.S. Dept. of Agr. Farmers Bul. 1431. Rev. 1939.

Hoffman, I. C. Growing of greenhouse tomatoes. Ohio Exp. Sta. Bul. 499. 1932.

Burk, E. F. and Roberts, R. H. Growing greenhouse tomatoes. Wisc. Exp. Sta. Bul. 418. 1931.

Gilbert, B. E. and Pember, F. R. Relative efficiency of various organic supplements in the growth of greenhouse tomatoes. R. I. Exp. Sta. Bul. 236. 1932.

Gilbert, B. E. and Pember, F. R. Economical amounts of nitrate of soda to apply in the greenhouse for the growth of tomatoes. R. I. Exp. Sta. Bul. 252. 1935.

Bouquet, A. G. P. An analysis of the characters of the inflorescence and fruiting habit of some varieties of greenhouse tomatoes. Cornell Exp. Sta. Memoir 139. 1932. Biblio.