1. [The entry] ‘Amateur’;Anon,1802
2. The Amateur in Science;Anon;Endeavour,1956
3. Technology and the Academics: An Essay on Universities and the Scientific Revolution;Ashby,1966
4. W.S. Bisat (1886–1973): his life and influence on Carboniferous stratigraphy;Baldwin,2004
5. Edmond Martin Venables (1901–1990), amateur geologist and natural historian;Bone,2003