California--Description and travel--19th Century 1 Frontier Life--Pennsylvania--18th century 1 Frontier and Pioneer Life--Pennsylvania--19th century 1 Frontier and pioneer life--American West--19th century 1 Frontier and pioneer life--Illionois--18th century 1 Illinois--Description and travel--18th century 1 Indian--White Relations--18th century 1 more ... Indians of North America--Commerce--18th century 1 Indians--Six Nations Coalition--18th century 1 Land speculation--Western Pennsylvania--18th century 1 Land speculation--Western Pennsylvania--19th century 1 Oregon--Description and travel--19th century 1 Pennsylvania--Description and travel--19th century 1 United States--History--Civil War, 1861-1865--Personal narratives 1 less ...