J-38 Keys
- Descriptions of a common telegraph key used by the U.S. Army Signal Corps.
- http://k6ix.net/J38Keys.html

N1FN Key Collection Pages
- An assortment of telegraph keys from the personal collection of Marshall Emm, N1FN.
- http://www.morsex.com/n1fn/keys.htm

The Old Telegraph Station
- The personal Vibroplex and telegraph collection of Frank O. Remington.
- http://www.qsl.net/k7gse/

Telegraph Key Collection
- Online personal museum from Italy of telegraph keys and related items.
- http://www.bluesardinia.com/telegraph/keys.html

Telegraph
- A colorful presentation of a wide assortment of telegraph instruments.
- http://www.k4tjp.net/Telegraph.html

W1TP Telegraph & Scientific Instrument Museums
- The Telegraph Museum on this site contains hundreds of images of American and foreign telegraph instruments from different eras. Presented by Tom Perera, W1TP.
- http://w1tp.com

The Telegraph Office
- A resource for wire and wireless telegraph instrument collectors and historians. Several images of instruments are viewable in the photo galleries.
- http://www.telegraph-office.com

Early Telegraph Apparatus
- Early telegraph instruments from the John Jenkins Spark Museum collection.
- http://www.sparkmuseum.com/TELEGRAPH.HTM

The Telegraph
- An assortment of telegraph instrument images compiled from several early physics apparatus collections by Professor Thomas Greenslade Jr. of Kenyon College.
- http://physics.kenyon.edu/EarlyApparatus/Electricity/Telegraph/Telegraph.html

Canadian Railway Telegraph History
- Site dedicated to Canada's railway telegraph, agents, operators, and railway.
- http://www.trainweb.org/railwayop/

SV1EDY Homepage
- A telegraph instrument collecting site located in Greece by ham radio operator, Apostolos Bourousis, SV1EDT.
- http://www.qsl.net/sv1edy

Telegraph Lore
- Site covers all aspects of Morse telegraphy and telegraph instrument collecting.
- http://www.faradic.net/~gsraven/index.shtml

The Sparks Telegraph Key Review
- Informational and photo display site on telegraph keys. Extensive information about instruments used during the spark-era of radio. By Russ Kleinmann, WA5Y.
- http://www.zianet.com/sparks/

The Vibroplex Collector's Page
- Extensive information about identifying and dating Vibroplex Bugs. (Semi-automatic telegraph keys used by telegraphers and radio operators to send Morse code.)
- http://www.la.ca.us/frandy/