Digestion Contract Bibliography
- Felice , Joseph and Carolun , Patrick. 1974 . Tune into Health , New York : Cebco .
- Gregg , Walter. 1970 . A Boy and His Physique , Chicago : National Dairy Council .
- Lesser , Milton S. 1967 . Review Text in Life Science , New York : AMSCO Publications .
- Leverton , Ruth. 1970 . A Girl and Her Figure , Chicago : National Dairy Council .
- Leverton , Ruth. 1970 . Voyages and Vitamins , Chicago : National Dairy Food Council .
- Martin , Marvin. 1968 . The Great Vitamin Mystery , Chicago : National Dairy Food Council .
- National Dairy Food Council. 1954 . Food and Care for Dental Health Chicago