RFC2445: Internet Calendaring and Scheduling Core Object Specification (iCalendar)
Network Working Group F. Dawson Request for Comments: 2445 Lotus Category: Standards Track D. Stenerson Microsoft ...
RFC2446: iCalendar Transport-Independent Interoperability Protocol (iTIP) Scheduling Events, BusyTime, To-dos and Journal Entries
Network Working Group S. Silverberg Request for Comments: 2446 Microsoft Category: Standards Track S. Mansour Netscape ...
RFC3283: Guide to Internet Calendaring
Network Working Group B. Mahoney Request for Comments: 3283 MIT Category: Informational G. Babics Steltor ...
RFC5333: IANA Registration of Enumservices for Internet Calendaring
Network Working Group R. Mahy Request for Comments: 5333 Unaffiliated Category: Standards Track B. Hoeneisen Swisscom ...