The list of 5 domains that are associated with Crespe in one way or another.
Richard Watkins Horological bookshttp://pageoverview.com/website-report/watkinsr.id.au
Richard Watkins has produced a bibliography of works relating to mechanical watches and he has written a history of the origins of self-winding watches, a monograph on watchmaking and the American system of manufacture, studies of repeater mechanisms, Philipe DuBois & Fils and watch mainspring gauges. He has translated several books including Some notes on P.F. Ingold, Berthoud and Auch (How to Make a Verge Watch), Vigniaux (Practical Watchmaking), Borsendorff (History of a Watch), Eugene Buffat (History and Design of the Roskopf Watch), Francois Crespe (Essay on Repeater Watches), Jacques David (Swiss and American Watchmaking in 1876), Favre-Perret (Report on the Philadelphia Exhibition 1876), Andre Francillon (A history of Longines), Emile Graupmann (The Finishing of the Watch Case), Moritz Grossmann (The construction of a Simple but Mechanically Perfect Watch), B. Hillmann (The Keyless Mechanism), Frederic Japy (Patents for Watchmaking Machines), Jerome Lalande (Diary of a trip to England 1763), William Blakey (The Art of Making Watch Springs). He has also published Edward Marsh (two histories of the Waltham Watch Company), C.E.L. Camus (Treatise on the Teeth of Wheels), Waterbury Watch Company (Ali-Baba and the Forty Thieves), Berner and Audetat (Pierre Frederic Ingold 1787-1878) and several articles.