This has been mentioned elsewhere on the IUOMA platform, but I want to make sure members know about the John Dowd Fan Club show. This is classic work from the 70s & 80s with a Ray Johnson connection. The link features some great examples from the show:
Probably some of the members are perplexed by the fan club materials in the m-a network. Ray Johnson started some classic fan clubs, and clubs have remained a genre ever since. Again, the John Dowd work is classic.