Double sided hand written notes listing on the obverse slides to be shown to the RPS (Royal Photographic Society) lecture on 19/8/1931, note of photos left with Mr Blacklock on 9/7/1931 suggested for inclusion and annotated with acceptances for publication in the (RPS) Journal, and on the reverse suggestions for exhibition (as part of ? application for fellowship of the RPS) a list of photos in the following categories: A. Pictorial, B. Natural history, C. Geological, D. Aviation. See AA 357/9/35/5 for records.