You will find a list of external funding bodies and search sites on here.
Links on the above page that may be particularly useful for history students include the Royal Historical Society; University Association for Contemporary European Studies; the Folklore Society; the Dan David Prize Scholarship (for study of the relationship between history and memory) and the Catholic Record Society (for study of British Catholic History).
Here are some additional useful links to sources of funding:
General Funding Resources
Resources available to historians working on the history of the United States