This site has a bevy of facts about the history of the instrument as well as a list of where cimbaloms have been featured in classical and contemporary music, film and television. An extensive list of related instruments around the world also is included.
This website is a fabulous resource for information, new and used cimbalom purchases and cimbalom parts. You can find photos of the instrument’s construction, too. This site refers to the instruments as cimbalos.
Online everywhere. Check out Facebook.com, Reddit.com and other online outlets for more information and to connect with active cimbalom enthusiasts. Youtube.com has many videos of cimbalom players around the world.