Some of the links listed in this thread have been removed. Same is true of the
USFSA Adult Skating Reference Links thread.
In general, a lot of USFS[A] rule links, including the rulebooks themselves, and judging manuals (I think) are no longer publicly accessible. Apparently they are now members-only.
But ISU rules are still on their
public figure skating website (click on Rules). Though they still charge for
DVDs - but you don't have to belong to be in the ISU to order them.
You don't have to belong to the ISI to order their
Handbook either, which I believe used to be true - though it has never been free, AFAIK.
Learn to Skate USA no longer lists most of the skills that are taught in their program, though maybe you can find them elsewhere.