1. Why Not Ephemera? The Emergence of Ephemera in Libraries
2. Rickards Maurice.‘Newspaper’.The Encyclopaedia of Ephemera: A Guide to the Fragmentary Documents of Everyday Life for the Collector, Curator, and Historian , Michael Twyman with the assistance of SALLY DE BEAUMONT and AMORET TANNER . London : The British Library , 2000 . 212 – 13 .