HJ Article of the Month Archive : British Horological Institute
HOROLOGICAL JOURNAL - FEB 1969 - EBAUCHES SA CALIBRE AS 1883 | eBay
The Horological Journal: The Special Organ Of The British Horogical Institute: The Horological Journal No.301 Vol.XXVI: 9781376355147: Amazon.com: Books
American horological journal, devoted to practical horology V. 4