LCHOF

Andys Handcuff Collection

Antique Lock Forum

Antique Padlocks

Dean's Antique Safes & Padlocks

Donald Jackson's Roman Gallery

D. R. Lock Restoration and Repair (UK)

Handcuffs.org

Key, Lock and Lantern

Lars Holst Restraint Collection

Lock Collectors Association

Lockcollectors Review

Locks, Keys, and Door Hardware - Laurence D. Simon

Lock Museum of America (Tom Hennessey Jr.)

Lock Museum of Orange County

Lock Picking 101

Museum of Physical Security (Harry C. Miller)

PadlockCollection

Plumb Farm Workshops

Railroadiana Online

Railroad Memories

Restraints Blog

Robinson's Original Antique Hardware

The First Internet Lock Museum

Thelockman.com

United Locksmith - Lock Blog

Vintage Combination Locks

William Tway's Collection