published, nevertheless used by IBM 2260 & 2265 Display Stations and IBM 2848 Display Control)
* USAS X3.4-1967
* USAS X3.4-1968
* ANSI X3.4-1977
* ANSI X3.4-1986
* ANSI X3.4-1986 (R1992)
* ANSI X3.4-1986 (R1997)
* ANSI INCITS 4-1986 (R2002)
* ANSI INCITS 4-1986 (R2007)
* INCITS 4-1986 (R2012)
* INCITS 4-1986 (R2017)
* INCITS 4-1986 (R2022)

In the X3.15 standard, the X3 committee