door knob

References

Hilger, M. Inez (Mary Inez). “Araucanian Child Life and Its Cultural Background.” Smithsonian Miscellaneous Collections, vol. 133, Smithsonian Institution, 1957, pp. xx, 439 , 80 plates, ehraf link

lock

Eells, Myron. The Twana Indians of the Skokomish Reservation in Washington Territory. [s.n.], 1877, pp 67. ehraf link

keyhold

Baker, P. R., & Benny, D. J. (2016). Keys, Locks, and Safes. The Complete Guide to Physical Security, 165.

keycard

Nipkow, T. (2006, November). Verifying a hotel key card system. In International Colloquium on Theoretical Aspects of Computing (pp. 1-14). Berlin, Heidelberg: Springer Berlin Heidelberg.

latch

Eells, Myron. The Twana Indians of the Skokomish Reservation in Washington Territory. [s.n.], 1877, pp 67. ehraf link

padlock

Reichel-Dolmatoff, Gerardo, and Sydney Muirden. “The Kogi: A Tribe of the Sierra Nevada de Santa Marta, Colombia. Vol. 1.” Revista, vol. 4, no. nos. 1-2, El Instituto, 1949–1950, p. HRAF MS: 342 [original: 319 ], plates, ehraf link