1.
Philadelphia : University of Pennsylvania Press, c2008.
RT86.54 .G35 2008 | Map It |
2.
Philadelphia, Pennsylvania : University of Pennsylvania Press, 2015.
©2015
RT86.54 .G35 2015eb | Multiple e-resources available | Available Online |
3.
Philadelphia : University of Pennsylvania Press, c2004.
RT86.54 .G35 2004 | Map It |