- Crum MSS 1.4.22
- Einzelstück
- n.d.
Teil vonWalter Ewing Crum Collection
Photographs of Rylands ostraca. Mostly published in W. E. Crum, <i>Varia Coptica</i>, Aberdeen 1939.
Includes two letters from Henry Guppy relating to the ostraca, 5-8 April 1938.