The majority of this collection was originally held at the Bodleian Library, before being transferred to Oxfordshire Archives in the early 1980s. Subsequent accessions were received as Acc 2450 and Acc 2461 in September 1985 Acc 2684 in June 1987, Acc 3318 in August 1991, Acc 4204 in February 1997, Acc 5238 in January 2004 and Acc 6108 in August 2012.
The whole collection was recatalogued in May 2005 by Hannah Jones. with additions by Alison Smith in November 2019.
A concordance of old and new references is given at the end of the catalogue.