Valley of opportunity economic culture along the Upper Susquehanna, 1700 - 1800 - Mancall, Peter C. 1959- (Cornell Univ. Press, 1991)
Keywords: Geschichte 1700-1800; Geschichte; Wirtschaft; Entrepreneurship -- Susquehanna River Region -- History -- 18th century; Susquehanna River Region -- Economic conditions; Susquehanna River Region -- Social conditions; Susquehanna-Gebiet <Nord>