The John Timmins (Jack) Jones collection consists of 53 boxes.

There are four parts of this collection and they are of the following: Correspondence from 1929 to 1982, Personal Papers from 1923 to 1982, Jones Family Correspondence and Papers, and Manuscripts, Reviews and Correspondence from 1914 to 1983 and 1950 to 1982. In the first series, which includes 23 boxes, the correspondences are mostly personal and business. The personal papers include the birth certificate and basic information of Jones along with his diary entries. The Jones Family Correspondence and Papers are just placed in one box. The rest of the 27 boxes are of manuscripts, reviews and correspondence. Jones believed in Marxism and that was exposed in most of his published works. His thoughts were put into poetry and short fiction stories that would be in many journals; the notes are included in this collection.