Mellotron:The source for information, new sounds, and replacement parts for Mellotrons and Chamberlins.
Optigan.com:Dedicated to the OPTIcal orGAN, an instrument which stored its sounds on optical disks.
J.P. Hovercraft's Sample Page: A page dedicated to Mellotron samples for soundcard and sampler users.
Mellotrons, Chamberlins, and their Sounds: Information about the instruments
Optigan and Orchestron: A history of the instrument.
Streetly Electronics: the original Mellotron makers.: Service and repairs for sick mellotrons. Also a history of the instrument.