The Oxford Reference Online collection is a comprehensive resource covering the complete subject spectrum, including topics relevant to food systems. It contains full-text dictionaries, companions and other reference works published by Oxford University Press.
A good way to begin your research is to find sources of background information. This is especially important if you are unfamiliar with the subject area.
Background information can be found in textbooks, handbooks, dictionaries, and encyclopedias and can provide you with:
Dictionaries
Encyclopedias
Handbooks