These are excerpts from RFC 2445 iCalendar specification, sections 4.2 Property Parameters, 4.3 Property Value Data Types, 4.6 Calendar Components, 4.7 Calendar Properties and 4.8 Component Properties. Each subsection corresponds one XHTML file with cross reference hyperlinks.
altrep | cn | cutype | delegated-from | delegated-to | dir | encoding | fmttype | fbtype | language | member | partstat | range | related | reltype | role | rsvp | sent-by | tzid | value
binary | boolean | cal-address | date | date-time | duration | float | integer | period | recur | text | time | uri | utc-offset
vevent | vtodo | vjournal | vfreebusy | vtimezone | valarm
calscale | method | prodid | version
attach | categories | class | comment | description | geo | location | percent-complete | priority | resources | status | summary
completed | dtend | due | dtstart | duration | freebusy | transp
tzid | tzname | tzoffsetfrom | tzoffsetto | tzurl
exdate | exrule | rdate | rrule
created | dtstamp | last-modified | sequence