R
Raymond L. Spangler
1896
5 works on record
Works

Standardization and inspection of fresh fruits and vegetables
1956

Retail trade practices and preferences for early-crop potatoes in Chicago, and quality analyses of potatoes offered for sale to consumers, 1940
Marketing commercial lettuce
Marketing commercial lettuce
1940
Marketing commercial cabbage
Marketing commercial cabbage
1938
Agricultural processing pamphlets
Agricultural processing pamphlets