Locus Science Fiction Foundation archives, 1942-2012 and undated
This collection contains correspondence, clippings, obituaries, and the writings of various people related to the science fiction, horror, and fantasy genres. Most of these are related to American writers, though there are some files concerning writers and fans from across the world, such as China, Japan, and Russia. A lot of the correspondence is about publishing news, corrections, and deaths in the horror, science fiction, and fantasy community. Some famous ones include Octavia E. Butler, Ursula K. Le Guin, Dean Koontz, and Gene Wolfe.