Names of persons who took the oath of allegiance to the State of Pennsylvania, between the years 1777 and 1789, with a history of the "Test laws" of Pennsylvania
History of the Pennsylvania reserve corps: a complete record of the organization; and of the different companies, regiments and brigades; containing descriptions of expeditions, marches, skirmishes, and battles; together with biographical sketches of officers and personal records of each man during his term of service
History of Delaware County, Pennsylvania, from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science
"Here, in approximately one hundred pages is the simple, un-adorned, and statistic-less story of an average Americanindustry. It began in a modest way in 1850, when a distinguished Baltimore chemist, Dr. Richard A. Tilghman, who, while studying in England, discovered two important chemical processes, returned to the United States and obtained patents for them. The patents covered a process for manufacturing caustic soda ash, and chlorine-bearing compounds, such as bleaching powder. It was known as 'TheStrontiaProcess'." [from a book review by John W. Oliver, https://journals.psu.edu/wph/article/view/2361/2194]
A history of the Little Britain Monthly Meeting of the Religious Society of Friends, 1804 to 1954 : an address at the Sesqui centennial celebration, August 28, 1954
