Ernst Krenkel Museum of Professional and HAM Radio (in Russian only)

http://www.rrl-museum.cqham.ru/new_page_10.htm

There are over 30 samples from RKK Radio Museum on display elsewhere in Ernst Krenkel museum.

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Radio Collection of V. Gromov at RADIOMUSEUM.ORG

http://www.radiomuseum.org/collection/valery_gromov.html

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Gesellschaft der Freunde der Geschichte des Funkwesens, GFGF

http://www.gfgf.org/