For people interested in 18th century Europe. They used to allow anyone to read messages, but now you need to subscribe – when I was allowed to read it, dance was occasionally discussed, but conversation was generally about clothing. There are some photos from their spring 2003 meeting on the Calendar of Early Dance website.
Site devoted to renaissance and baroque theatrical spectacle, by Dr. Frank Mohler. Includes information about machinery and special effects such as scene changes, flying machines, wave machines, trapdoors, and lighting.
Art installations by Christian Bernard Singer, based on extant dance notations. [I noticed several errors in the background information given on the dances – incorrect choreographer for the Entrée, assuming that the choreographer was the original performer, and a variety of spellings for "Phaeton".]