1. 1. Moore, C. B. 1952. “Mechanization Vital.” Western Grower and Shipper, 6 (June).
2. 2. Anonymous. 1962a. “The Vegetable Industry, 2000 A.D.” Western Grower and Shipper, 16 (March).
3. 3. Saunders, S. J. 1956. “Pre-packaging leafy vegetables.” Western Fruit Grower, 54 (May).
4. 4. Anonymous. 1952a. “Mechanization to prepackaging: Produce industry goes through two revolutions in 18 years.” Western Grower and Shipper, 24–25 (October).
5. 5. Coman, E. S. 1951. “Farm Labor, Domestic and Foreign.” Western Grower and Shipper, 19 (January).