Rickards, M., Twyman, M., Beaumont, S., & Tanner, A. (2001). The encyclopedia of ephemera: A guide to the fragmentary documents of everyday life for the collector, curator, and historian / Maurice Rickards. Edited and completed by Michael Twyman with the assistance of Sally de Beaumont and Amoret Tanner. Routledge.

Rickards, Maurice, Michael Twyman, Sally Beaumont, and Amoret Tanner. The Encyclopedia of Ephemera: A Guide to the Fragmentary Documents of Everyday Life for the Collector, Curator, and Historian / Maurice Rickards. Edited and Completed by Michael Twyman with the Assistance of Sally De Beaumont and Amoret Tanner. New York: Routledge, 2001.

Rickards, Maurice, et al. The Encyclopedia of Ephemera: A Guide to the Fragmentary Documents of Everyday Life for the Collector, Curator, and Historian / Maurice Rickards. Edited and Completed by Michael Twyman with the Assistance of Sally De Beaumont and Amoret Tanner. Routledge, 2001.