The National Locksmith – Wikipedia

About The National Locksmith
– About Us
– Magazines established in 1929
– Official website

Keyline USA
– Keyline USA

The Complete Book of Locks and Locksmithing
– Phillips, Bill (2005). The Complete Book of Locks and Locksmithing. Chicago: McGraw-Hill Professional. ISBN 0-07-144829-2.

National Locksmith Magazine
– Tom Lynch (2 July 2013). National Locksmith Magazine Editor Goes Paula Dean! – Publishes Racial Stereotype Slur Against Brothers from the Hood.

Society of Professional Locksmith
– Society of Professional LocksmithSources: