Don't know much about your topic? Not sure where to start your research?
Background sources (also called reference sources) are things like encyclopedias, dictionaries, manuals, etc. and are excellent for:
Don't know where to search? Try these reference tools first.
Each of the encyclopedias below is focused on a different area of biology. Read the descriptions to select the one that is right for your information needs.
Use these search tools to search multiple encyclopedias and dictionaries at once.
An online reference library comprised of reference books including encyclopedias, dictionaries, thesauri and books of quotations, etc.