W.J. GAZELEY: "WATCH & CLOCK MAKING AND REPAIRING"

W.J. GAZELEY: "WATCH & CLOCK MAKING AND REPAIRING"; "The Watch and Clock Handbook, Dictionary and Guide" by Britain; "The Mechanism of Watch" by J. Swinburn; "Modern Watch and Repairing and Adjusting. Practical Watch Repairing" by Donald D. Carly; "Dictionary of Horological Terminology of Number Rotation" edition 1976 and various other watch books (a lot)