"These images document the disappearance of food and beverage items by photographing trays before and after schoolchildren ate lunch. The images were taken in North Texas during lunchtime in urban middle schools that participated in the National School Lunch and School Breakfast Programs."
"a federally assisted meal program operating in public and nonprofit private schools and residential child care institutions. It provides nutritionally balanced, low-cost or free lunches to children each school day. The program was established under the National School Lunch Act, signed by President Harry Truman in 1946."
"... the School Nutrition Association (SNA) has been advancing the availability, quality and acceptance of school nutrition programs as an integral part of education since 1946."
The site includes information on legislation, running programs, news, etc.
"An engaging, informative and fascinating documentary, Lunch Line chronicles the political and social history of the National School Lunch Program, one of our nation's most successful social programs, from the factors that led to its creation to the current debate over its nutritional standards."
Suggested terms to look for include - diary, diaries, letters, papers, documents, documentary or correspondence.
Combine these these terms with the event or person you are researching. (example: civil war diary)
Also search by subject for specific people and events, then scan the titles for those keywords or others such as memoirs, autobiography, report, or personal narratives.
Off campus access instructions (for e-books)
Compilation of the National school lunch act and the Child nutrition act of 1966 by 
Lunch Line (streaming video)
Menus and Recipes for Lunches at School by 
