The Katherine M. Briggs collection contains typescript and manuscript copies of some of her later works: Nine Lives: Cats in Folklore (1980); The Vanishing People (1978); Folklore of the Cotswolds (1974); Abbey Lubbers, Banshees & Boggarts (1979); A Dictionary of Fairies (1976) and A Dictionary of British Folk-Tales (1970-1971). We also hold manuscript and typescript copies of articles: "Folk-Tale Story Tellers"; "Tradition and Invention in Ghost Stories" ; "Fairy Themes in Folktales and in Modern Children's Literature"; "Some Unpleasant Characters Among British Fairies"; "Fairies, Hobgoblins and Other Strange Creatures" (1978); "Historical Traditions in English Folklore" (1965); and a biographical notice for Edward Clodd (1979).
The collection also includes plays she and her sisters Winifred and Elspeth performed and wrote for an amateur touring company (The Summer Players), family letters from the early nineteenth century, books and plays written by her sister and other family members.
There is also correspondence concerning the receipt of copyrighted materials for her book Nine Lives (1980), and a correspondence with her publisher Batsford regarding The Folklore of the Cotswolds (1974) and The Vanishing People (1978). In addition, there are typescripts, manuscripts and interviews with Ruth Lyndall Tongue, a fellow folklorist and author with whom Katharine edited and collaborated with, as well as correspondence with Roy Palmer, fellow folklorist who contributed information for Katharine Briggs work and other miscellaneous articles and typescripts sent to Katherine Briggs for review or collected by her.