The American Century
Property Values and Open Space in Northwest Philadelphia
The Effects of Agricultural Zoning on the Ability of Farmers to Borrow Money
Private Open Space and Public Benefit
The Use of Less-than-fee Acquisition for the Preservation of Open Space
Differential Assessment of Real Property as an Incentive to Open Space Preservation and Farmland Retention
The Protection of Farmland
Waking to Danger
The extent of agreement among observers on environmental attractiveness, by R.E. Coughlin & K.A. Goldstein
Encyclopedia of U.S. Political History
Agricultural Land Conversion in the Urban-rural Fringe
An Outline for Economic Evaluation of Steam Valley Preservation
The Influence of Water Quality in the Evaluation of Stream Sites
The Capital Programming Problem
Interdependence in the Penjerdel region: a report to Penjerdel, Greater Philadelphia Movement and Federal Reserve Bank of Philadelphia, by R.E.Coughlin
The Use of Less-than-fee Acquisition for the Preservation of Open Space
A Projection of Vehicle Trips Within Philadelphia
Agricultural Protection in Shrewsbury, Hopewell, and Peach Bottom Townships