found: nuc86-86219: Squatting, 1980(hdg. on IaU rept.: Wolmar, Christian; usage: Christian Wolmar)
found: His Drugs, 1990:CIP t.p. (Christian Wolmar)
found: Christian Wolmar WWW page, Nov. 11, 2013:Read about my books (Subterranean railway) archived books (Drugs, Squatting)
found: Urban access for the 21st century, 2014:ECIP t.p. (Christian Wolmar) ECIP data view (Christian Wolmar is an author and journalist based in London, specializing in transport. He has written a series of books on railway history, including The Subterranean Railway (the London Underground). Fire and Steam (Railways in Britain) and Blood, Iron and Gold (The influence of railways across the world))
