Books & Manuals
[1] “High-Security Mechanical Locks : An Encyclopedic Reference”, 2007, Graham W. Pulford, Butterworth-Heinemann.
[2] “Locks, Safes and Security: An International Police Reference”, Charles C. Thomas, Springfield, IL, 2000.
[3] “Early Locks and Lockmakers of America”, Thomas F. Hennessy, Nickerson & Collins, Des Plaines, IL, 2nd edition, 1976.
[4] “Master locksmith reference book” (Vol 1-2), William H. Hassel and Charles Courtney, The American Association of Master Locksmiths, New York, 1931.
[5] “Locks and Lockmaking”, Francis J. Butter, Sir Isaac Pitman & sons, 1926.
[6] “An Encyclopaedia of Locks and Builders Hardware”, Josiah Parkes & Sons, Willenhall, 1968.
[7] ” The Lure of Lock”, J.M. Mossman By Albert A. Hopkins, The General Society of Mechanics and Tradesmen, New York, 1928.
[8] “On the development and distribution of primitive locks and keys”, Lieut-General. Pitt-Rivers, Chatto and Windus, Piccadilly, 1883
[9] “Locks And Keys throughout the ages”, Vincent J.M. Eras, Dordrech, 1957.
[10] “Sloten en sleutels”, Vincent J.M. Eras, Allert De Lange, Amsterdam, 1943.
[11] “Safe Bind, Safe Find”, Garry Hogg, Phoenix House Ltd, London, 1961.
[12] “La Serrure et ses dérèglements”, Georges Bengué, Pau, 1963.
[13] “Rudimentary Treatise on the Construction of Locks”, Charles Tomlinson, John Weale, London, 1853.
[14] “Rudimentary Treatise on the Construction of Locks of Door Locks for Commercial and Domestic Purposes”, Charles Tomlinson, John Weale, London, 1859.
[15] “Locks and Safes : the Construction of Locks”, Charles Tomlinson and Robert Mallet, Virtue and Co, New York, 1868.