The historic role of the medical profession in Pennsylvania / Richard H. Shryock -- Pennsylvania's contributions to the law / Edward Dumbauld -- Pennsylvania: A haven for the Christian churches and a cradle of theology / Raymond W. Albright -- Pennsylvania's contributions to architecture / G. Edwin Brumbaugh -- Engineering in Philadelphia, 1775-1825 / Robert P. Multjhauf -- Trends in Pennsylvania's educational history / D.L. Biemesderfer -- Pennsylvania pioneers in forestry / Henry E. Clepper -- Dedication / Henry E. Clepper.