Common Trees of Pennsylvania, by J. E. Ibberson et al 53535 [Full author: J. E. Ibberson and A. B. Mickalitis and J. E. Aughenbaugh and C. L. Morris] [Illustrator: J. M. Francis] [Link: http://www.gutenberg.org/5/3/5/3/53535 ] [Files: ; 53535-0.txt; 53535-h.htm] Thanks to Stephen Hutcheson, MFR and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al