User Acceptance of Refinery Valves
standard by American Petroleum Institute, 02/01/1998

Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
standard by American Petroleum Institute, 11/01/1997

Metal Plug Valves – Flanged and Welding Ends
standard by American Petroleum Institute, 11/01/1994

Reinforced Thermosetting Resin Casing and Tubing, 2nd Edition
standard by American Petroleum Institute, 11/01/1981

Bulletin on Round Thread Casing Joint Strength with Combined Internal Pressure and Bending
standard by American Petroleum Institute, 05/31/1987

Welding Connections to Pipe
standard by American Petroleum Institute, 12/01/1996

Specification for Casing and Tubing (U.S. Customary Units)
standard by American Petroleum Institute, 11/01/1998

Specification for Casing and Tubing (Metric Units)
standard by American Petroleum Institute, 04/01/1995

Spiral-Weld Line Pipe, 9th Edition
standard by American Petroleum Institute, 03/01/1977

Specifications for Steel and Iron Pipe for Oil Country Tubular Goods, 1st Edition
standard by American Petroleum Institute, 10/20/1924