- ISO/IEC9541-2:1991 : Information technology. Font information interchange. Interchange format

- ISO/IEC9541-3:1994 : Information technology. Font information interchange. Glyph shape representation

- ISO/IEC9545:1994 : Information technology. Open Systems Interconnection. Application Layer structure

- ISO/IEC9548-1:1996 : Information technology. Open systems interconnection. Connectionless session protocol. Protocol specification

- ISO/IEC9548-2:1995 : Information technology.

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- ISO/IEC9549:1990 : Information technology. Galvanic isolation of balanced interchange circuits

- ISO/IEC9574:1992 : Information technology. Provision of the OSI connection-mode network service by packet mode terminal equipment to an integrated services digital network (ISDN)

- ISO/IEC9576-1:1995 : Information technology. Open systems interconnection. Connectionless presentation protocol. Protocol specification