Thanks are due to the Bibliographical Society for a generous grant which made this project possible. A supplementary grant was made by Birkbeck College.

Advice was provided by Stephen Tabor, Peter White (Pro Quest), Giles Mandelbrote and Adam Morton. A copy of STC was provided by David McKitterick. The assistance of Stephen Pigney is also gratefully acknowledged.

Work on the project was carried out by Owen James, Natalie Joelle and John Ridpath.