Proving grounds
The Round table crusade, 1909-1914
The first world war and after, 1914-1921
Renewed hopes, 1921-1930
Appeasement, 1930-1939
Ambassador, 1939-1940.
Lothian : Philip Kerr and the quest for world order by David P. Billington. ISBN 0313321795. Published by Praeger Security International in 2006. Publication and catalogue information, links to buy online and reader comments.