Dickinson College Slippery Rock University Pennsylvania State University 5 West Virginia University 5 Bucknell University 4 Franklin and Marshall College 4 more ... Montclair State University 4 Moravian University 4 Rutgers University 4 Temple University 4 Commonwealth University of Pennsylvania 3 Lehigh University 3 Pennsylvania Western University 3 University of Pennsylvania 3 University of Pittsburgh 3 Allegheny College 2 Drexel University 2 Gannon University 2 Indiana University of Pennsylvania 2 Mercyhurst University 2 New York University 2 State Library of Pennsylvania 2 Ursinus College 2 Villanova University 2 York College of Pennsylvania 2 Bryn Mawr College 1 Elizabethtown College 1 Gettysburg College 1 Holy Family University 1 La Salle University 1 see all ... less ...

Book 6

Q - Science 6

Allen, John Eliot, 1908-1996 1 Alt, David D. 1 Bastedo, Jerold C. 1 Geological Society of America. Annual Meeting 1 Hyndman, Donald W. 1 Moore, Harry L., 1949 March 28- 1 more ... Subitzky, Seymour, 1923- 1 Tesmer, Irving H., 1926- 1 VanDiver, Bradford B. 1 see all ... less ...

English 6

Guidebooks 6 Guides Guides touristiques 5 travel guidebooks 5 Guidebook 3 Travel books 2 more ... Actes de congrès 1 Conference papers and proceedings 1 Local author 1 Oregon authors 1 proceedings (reports) 1 see all ... less ...

Pennsylvania 2 Pennsylvanie 2 United States 2 Columbia River Gorge 1 Columbia River Gorge (Or. and Wash.) 1 Columbia, Gorge de la (Or. et Wash.) 1 more ... Great Smoky Mountains National Park 1 Great Smoky Mountains National Park (Car. du N. et Tenn.) 1 Great Smoky Mountains National Park (N.C. and Tenn.) 1 New Jersey 1 Niagara Falls 1 Niagara Falls (N.Y. and Ont.) 1 Niagara, Chutes du (N.Y. et Ont.) 1 North America 1 Oregon 1 see all ... less ...