Table of contents http://catdir.loc.gov/catdir/toc/ecip077/2006102454.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy0704/2006102454-d.html
The Louis A. Duhring Fund Home Page http://hdl.library.upenn.edu/1017.12/366308
The Alumni and Friends Memorial Book Fund Home Page http://hdl.library.upenn.edu/1017.12/366295

Table of contents http://www.loc.gov/catdir/toc/ecip0518/2005022367.html
Publisher description http://www.loc.gov/catdir/enhancements/fy0645/2005022367-d.html

Table of contents only http://www.loc.gov/catdir/toc/ecip0620/2006029062.html

Table of contents only http://www.loc.gov/catdir/toc/ecip0612/2006012687.html