Background information is found in sources such as specialized subject encyclopedias, handbooks, and dictionaries. Background sources can provide definitions, dates, and names of important persons and events for a topic as well as additional titles to be consulted in books, journal articles, and conference proceedings. They can suggest keywords that are useful for constructing a search strategy.
Benders' Dictionary of Nutrition and Food Technology
Bowes and Church's Food Values of Portions Commonly Used
The Cambridge World History of Food
Encyclopedia of Agriculture and Food Systems
Encyclopedia of Food and Culture
The Encyclopedia of Nutrition and Good Health
Encyclopedia of Obesity
The Gale Encyclopedia of Diets
The Gale Encyclopedia of Nutrition and Food Labels
Nutrition and Well-Being A to Z
Oxford Encyclopedia of Food and Drink in America
Routledge International Handbook of Food Studies