Roger Clarke

Ghosts: A Natural History: 500 Years of Searching for Proof

2014

Ghosts: A Natural History: 500 Years of Searching for Proof

2015

Ghosts: A Natural History: 500 Years of Searching for Proof

2015

A Natural History of Ghosts

2013

A Natural History of Ghosts

2012

Singularities in Space-Time (Cambridge Monographs on Physics)

1995

Soviet Economic Facts, 1917-81

1983