Packard, Stephen -Audubon–Chicago Region
Pacyga, Dominic A. -Columbia College
Pallares, Amalia -University of Illinois at Chicago
Palmer, Susan -Aurora University
Pano, Nicholas C. -Western Illinois University
Parot, Joseph John -Northern Illinois University
Patterson, Elizabeth A. -Evanston, IL
Pauillac, Myriam -Maisons-Alfort, France
Pavlovic, Noel B. -U.S. Geological Survey
Peiss, Kathy -University of Pennsylvania
Perkins, Stephen A. -Center for Neighborhood Technology
Perry, Marilyn Elizabeth -Palatine, IL
Peters, Cynthia H. -Newberry Library
Peterson, Amy T. -American Intercontinental University Online
Petraitis, Paul W. -Chicago, IL
Pettengill, Richard -Lake Forest College
Pfannkuche, Craig L. -Memory Trail Research, Inc.
Pfeffer, Paula F. -Loyola University Chicago
Pfeifer, Mark E. -University of Toronto
Phelps, (Margaret) Dorsey -Independent scholar
Pierson, Don -Chicago Tribune
Pintar, Laurie -Loyola Marymount University
Platt, Harold L. -Loyola University Chicago
Plotkin, Wendy -Arizona State University
Poe, Tracy N. -DePaul University
Popa, Christopher -Chicago Public Library
Porter, Stephen R. -University of Chicago
Posadas, Barbara M. -Northern Illinois University
Postel, Charles -California State University at Sacramento
Preston, Jane -Harvard University
Prevost, Elizabeth E. -Northwestern University
Pruter, Margaret Franson -DuPage County Historical Society
Pruter, Robert -Lewis University
Pérez, Gina M. -Hunter College, CUNY