Forgotten - 1933 was released on: USA: 15 February 1933
Jake Forgotten - 2014 was released on: USA: 2014 (limited)
Safe But Not Forgotten - 2012 was released on: USA: April 2012
Forgotten - 2014 II was released on: USA: February 2014
Karma Trekkers - 2004 Malta was released on: USA: 2 November 2004
Egyptian Temples - 1913 was released on: USA: 9 November 1913
Temples of India - 1911 was released on: USA: 12 July 1911
Temples of India - 1938 was released on: USA: 4 September 1942
The Forgotten Step - 1938 was released on: USA: 20 May 1938
Forgotten Voices - 1996 was released on: USA: 3 March 1996
The Forgotten Watch - 1908 was released on: USA: 31 December 1908
The Forgotten Watch - 1909 was released on: USA: 21 December 1909