Amateurism in Sport and
Entertainment, Keith
Myerscough, University of
Bolton, 2012The Historic Crowstone, Essex
Countryside Magazine, J
Blundell, 1965
How clean is the Thames?
Transcript of a lecture given by
Martin J. Attrill, Professor of
Marine Ecology, University of
Plymouth, 2006,
http://www.gresham.ac.uk/lectur
es-and-events/londonsecology-
how-clean-is-the-thames