found: Work cat.: NUCMC data from Me. Hist. Soc. for Patterson, W.D. Papers, 1650-1930(Fort William Henry; Lincoln County, Me.)
found: Roberts, R.B. Encyc. hist. forts, c1988(Fort Frederick; built by British 1692; destroyed by Indians and French under Iberville in 1696; repaired but again destroyed by residents of Bristol, Me., shortly before Amer. Revol.; known at various times as Fort William Henry, Shurt's Fort, Pemaquid Fort, and Fort Charles)
found: LC data base, June 8, 1992(Fort William Henry)
found: Fillmore, R.B. Chronicles of Lincoln County, 1924:p. 7 (in 1692 Fort William Henry built to replace Fort Charles, which had been destroyed; in 1696 M. Iberville with French and Indians entered harbor and forced its surrender; in 1729 repaired by Col. David Dunbar and renamed Fort Frederick; on Penobscot Bay)