Triangle Below Canal - 1986 was released on:
USA: February 1986 (First Run Film Festival)
Canal Zone - 1977 was released on: USA: 7 October 1977
Along the Erie Canal - 1998 was released on May 1998,
Mississippi Triangle - 1984 was released on: USA: 1984
Building the Suez Canal - 1903 was released on: USA: January 1903
Love Triangle - 2012 was released on: USA: June 2012
The Devil's Triangle - 1974 was released on: USA: September 1974
The Panama Canal Today - 1913 was released on: USA: 30 April 1913
Squaring the Triangle - 1914 was released on: USA: 11 September 1914
The Eternal Triangle - 1910 was released on: USA: 23 May 1910
The Eternal Triangle - 1919 was released on: USA: 5 October 1919
The Eternal Triangle - 1922 was released on: USA: 7 May 1922
Love Triangle - 2011 was released on: USA: 18 April 2011