Theory of the Long Range Shell - 1919 was released on:
USA: 19 February 1919
Pride in the Shell - 2008 was released on: USA: 2008
Shell Life - 1984 was released on: USA: 1984
In the Heart of a Shell - 1916 was released on: USA: 3 March 1916 (re-release)
The Shell Game - 1918 was released on: USA: 4 March 1918
The Shell Game - 1919 was released on: USA: 25 May 1919
Shell Socked - 1926 was released on: USA: 31 October 1926
The Shell - 2007 was released on: USA: 24 January 2007 (Tromadance Film Festival)
Zebra Theory - 2009 was released on: USA: 2009
The Song of the Sea Shell - 1914 was released on: USA: 28 August 1914
The Shell Comb Industry - 1914 was released on: USA: 16 June 1914
Darwin's Theory - 2013 was released on: USA: October 2013
A Catch of Hard Shell Crabs - 1903 was released on: USA: October 1903