Office communications. - J. Stanley McConnell; Carl-Uno Manros (Comput. Commun., 1989)

The birth of the Internet printing protocol (IPP). - Carl-Uno Manros (ACM Stand., 1998)

Internet Printing Protocol/1.0: Implementer's Guide. - Thomas N. Hastings; Carl-Uno Manros (RFC, 1999)

Etymology of "Foo". - Donald E. Eastlake III; Carl-Uno Manros; Eric S. Raymond (RFC, 2001)

Internet Printing Protocol/1.1: Implementor's Guide. - Thomas N. Hastings; Carl-Uno Manros; Peter Zehler; Carl Kugler; Henrik Holst (RFC, 2001)