Alastair Denniston: Code-breaking From Room 40 to Berkeley Street and the Birth of GCHQ
by Joel Greenberg
ISBN 13: 9781526709127
Format: Hardcover (308 pages) Publisher: Frontline Books Published: 01 Sep 2017
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Gordon Welchman: Bletchley Park's Architect of Ultra Intelligence
ISBN 13: 9781848327528
Format: Hardcover (288 pages) Publisher: Frontline Books Published: 28 Feb 2014
A Birder's Guide to the Chicago Region
by Lynne Carpenter,Joel Greenberg
ISBN 13: 9780875805825
Format: Paperback (242 pages) Publisher: Northern Illinois University Press Published: 30 Nov 1999
Of Prairie, Woods, and Water: Two Centuries of Chicago Nature Writing
ISBN 13: 9780226306612
Format: Paperback (352 pages) Publisher: University of Chicago Press Published: 25 Apr 2008