Researching General Ethan Allen

and wondering if anyone has interesting resources to share or opinions about him or his comrades. PS We're not talking furniture!

Especially interested in his philosophy (see his book Reason, the Only Oracle of Man). He was at most a deist, perhaps an atheist.

Allen is known to have written the following publications:

Allen, Ethan (1779). A Narrative of Colonel Ethan Allen's Captivity. C. Goodrich. ISBN 066543295X. OCLC 3505817. The 1779 edition of Allen's Narrative
Allen, Ethan (1849). Ethan Allen's Narrative of the Capture of Ticonderoga: And of His Captivity and Treatment by the British. C. Goodrich and S.B. Nichols. ISBN 0665221355. OCLC 17008777. An 1849 edition of Allen's Narrative.
edited by Stephen Carl Arch. (2000). A Narrative of Colonel Ethan Allen's Captivity. Copley Publishing Group. ISBN 978-1583900093. A 2000 edition of Allen's Narrative available at Amazon in March 2009
Allen, Ethan (1854). Reason, the Only Oracle of Man: Or, A Compendious System of Natural Religion. J.P. Mendum. ISBN 1150697598. OCLC 84441828.