Fonds consists of personal correspondence, newspaper clippings and manuscripts; as well as, memorial tributes, cards and letters of sympathy pertaining to the passing of Sonthoff. The fonds is arranged in the following series: Correspondence, Essays and Criticisms and Memorial Tributes.

Fonds consists of materials created and collected by Joan Coldwell through her relationship and her business dealings with Jane Rule. It includes incoming personal correspondence from Jane Rule and Helen Sonthoff to Joan Coldwell and Ann Saddlemyer. Also included is a sous-fond, Hedgerow Press – Loving The Difficult, arising from the Press’s publication of Jane Rule’s final book.
It consists of correspondence, contracts, obituaries, publication and promotion materials, including photographs of the book launch on Galiano Island, a digital copy of the work, a bound paper draft, and the 2008 Lambda Literary Award for non-fiction.