API, Div. of Production, 1961, History of Petroleum Engineering, 1241 pp.
Brantly, J.E., 1971, History of Oil Well Drilling, Gulf Publishing Co., Houston, 1525 pp.
National Supply Co., 1921, Oil and Gas Well Supplies, Catalog No. 30, Toledo, Ohio, 1092 pp.
Oilfield Barker, Spring, 1993, Vol. 1, Issue 1
Oilfield Barker, Fall, 1994, Vol. II, Issue 3
Oil Well Supply Company, 1904, Well-Drilling Machinery and Tools, Catalog No. 15, Pittsburgh, Pa., 320 pp.
Oil Well Supply Company, 1913, Everything for Oil Wells, Catalog No. 32, Pittsburgh, Pa. 554 pp.
Oil Well Supply Company, 1935 , in Composite Catalog
Oil Well Supply Company, 1937, in Composite Catalog
Star, Bulletin No. 17, 1928
Star, Bulletin No. 20B
Star, Bulletin No. 25
Star, Bulletin No. 49A
Star Drilling Machine Co. handbook. No date.
Star, Gasoline Power Machines, No. 718, Parts Price List, no date.
The Petroleum Gazette, April, 1902, Vol. VII - No. 1.
The Petroleum Gazette, January, 1906, Vol X - No. 10.
World Oil, 1960-61, The Composite Catalog of Oil Field Equipment and Services, Gulf Publishing Co., Houston, Vols. 1 and 2 (manufacturers).
Acknowledgments: Help in the field was provided by Ellsworth "Pete" Sparks and Dan Leech. Jon Iftt was queried for information on the Bolles and Wolfe rigs. David Weber did archival research on several matters in the portable cable tool rig project.