The Cambridgeshire Collection is a major research library established in 1855 and exploited by the creation of detailed catalogues and indexes. The Collection comprises books, newspapers, maps, illustrations, handbills and tape recordings. Electoral Rolls , listing names and addresses of people entitled to vote, poll books, listing anem, street, occupation of voters and who they voted for. They can also be very politically biased.
Indexes There are indexes to exploit much of the information to be found.
Maps A. Cambridge Printed, single-sheet maps of Cambridgeshire from 1574 to present exist. Accuracy and detail can vary greatly. For the maps before 1800 there is a detailed commentary in Old Plans of Cambridge by J.W.Clark and A. Gray . For the period 1800 to 1920 a list has been compiled indicating area of coverage, detail shown, etc., which suppliments the card indexes. A comprehensive set of printed, single-sheet maps of Cambridgeshire from 1576 to present exist as well as plans of villages.