Saturday at M.I.9 : a history of underground escape lines in North-west Europe in 1940-5 by a leading organiser at M.I.9 /
Neave, Airey.
London : Hodder & Stoughton,
1971.
Index.
ISBN 0-340-12749-x.
Includes bibliography.
World War, 1939-1945
Escape.
World War, 1939-1945