Oppé's papers relating to Towne comprise:

1. Brief descriptive notes of the Barton Place collection and of Emily Buckingham's collection, made ca. 1915.

2. Miscellaneous notes relating to Francis Towne, including correspondence with members of the Merivale family and with collectors of English drawings

3. Drafts of lecture or article material on Towne.

4. Transcripts of Towne's correspondence, made by Emily Buckingham ca. 1915.