Henry, J. T. (1873). The early and later history of petroleum: With authentic facts in regard to its development in western Pennsylvania, the oil fields of Europe and America ... the Parkers' and Butler County oil fields ; also, life sketches of pioneer and prominent operators, with the refining capacity of the United States. Philadelphia: Jas. B. Rodgers Co..

Henry, J. T. The Early and Later History of Petroleum: With Authentic Facts in Regard to Its Development in Western Pennsylvania, the Oil Fields of Europe and America ... the Parkers' and Butler County Oil Fields ; Also, Life Sketches of Pioneer and Prominent Operators, With the Refining Capacity of the United States. Philadelphia: Jas. B. Rodgers Co., 1873.

Henry, J. T. The Early and Later History of Petroleum: With Authentic Facts in Regard to Its Development in Western Pennsylvania, the Oil Fields of Europe and America ... the Parkers' and Butler County Oil Fields ; Also, Life Sketches of Pioneer and Prominent Operators, With the Refining Capacity of the United States. Philadelphia: Jas. B. Rodgers Co., 1873.