"Willings & Francis." . . "Washington (D.C.)" . . "Turnpike roads Pennsylvania." . . . . "T.B. Freeman & Company." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "History" . . "The records consist of John Nicholson's private papers which were seized by the Commonwealth of Pennsylvania around 1800 in order to prosecute its claims against his estate and unravel the many difficult title conflicts involving his vast land holdings." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Society for Promoting the Improvement of Roads and Inland Navigation (Pa.)." . . "Territorial Land Company." . .