The GEM Library
Series : 1
48 issues
(16th March 1907) - (8th Feb 1908)
published by Amalgamated Press
storypaper content
Series : 2 - (NEW SERIES)
1663 issues
(15th Feb 1908) - (30th Dec 1939)
published by Amalgamated Press
storypaper content
The Nelson Lee Library merges - (19th Aug 1933)
Merges with Triumph - (6th Jan 1940)