On Capt Robert Lottridge Jr., see James Richardson The Destruction of Hanna's town Part 1 Western Pennsylvania History vol. 90(2):17-25 and Part II, Who Were Those Guys: The Destruction of Hanna's Town Western Pennsylvania History Vol 90(3):27-35, 2007. Reprinted by Westmorland Historical Society in Westmorland History, The Destruction of Hanna;s Town Part and Part II, Vol. 15(2):13-21, 2010 and Vol. 16(1):18-26, 2011. There is an unpublished manuscript on Lottride by Stevens that I can send if interested.
Best Jim Richarfdson Curator Emeritus, Carnegie Museum