"Encyclopedia of genealogy and biography of the state of Pennsylvania with a compendium of history : a record of the achievements of her people in the making of a commonwealth and the founding of a nation", published in 1904 by Lewis Publishing Co., contains:
Earliest explorations and settlements - Pennsylvania, the colony
From the beginning of the French and English wars to the Revolution
Troubles with Connecticut
The Period of the Revolution
Pennsylvania as one of the United States, 1787-1812
The War of 1812-1815
The Commonwealth from 1815-1860
Pennsylvania during the War of 1861-1865 (Civil War)
Pennsylvania from the Civil War to the Present Time (1904)
Agriculture, Commerce, and Manufactures
Education, Literature, and Art
Medicine, Law, and Theology
Social conditions
Biographies and some portraits of representative men are shown in the index: