Correspondence is with collectors, museums, galleries, artists, friends, family, charity organizations, admirers and those admired by Cornell, and World War II European pen pals. Discussions about the appreciation, donation, sale, purchase, and exhibition of Cornell's works are frequent, with the inclusion of shipping and loan documentation or notices of payment installments. Galleries and museums frequently request that Cornell agree to an exhibition, which he often declines, and fans request free works be mailed or affordable works be sold to them. With friends, artists, and those he admired, Cornell discussed topics that fascinate him, included bits of poetry or philosophical musings, sent clippings or a collaged letter, and occasionally discussed a project or work in process. After World War II, when so many were displaced by the war in Europe, Cornell answered ads for pen pals in the 'Christian Science Monitor,' often responding to requests for clothing or other goods, and sometimes exchanging many letters over several years. Family correspondence is with his mother, sisters, brother, and others, and often notes activities of the day, foods eaten, and general musings, as well as occasionally mentioning a project or artwork. Correspondents of note include Stan Brakhage, Betty Freeman, Charles Henri Ford, Allegra Kent, Yayoi Kusama, Roberto Matta, Marianne Moore, Octavio Paz, Sonia Sekula, Pavel Tchelitchew, Parker Tyler, Dorothea Tanning, and Betsy von Furstenberg, among others.