Agreed LOC and SI are two of the world's best resources.

Another one, for historical film clips is:

http://www.britishpathe.com

The video on the computer monitor is quite poor on the previews, however, because of resolution they look very decent on a standard television set at 10 feet away.

It is made up of news reel shorts. For example, a Babe Ruth homerun, or King Fasad at age nine reveiwing camel troops, or Dublin's "Four Corners" during "the rebellion" .... from chimney-sweeps, to bathing beauties, it is a historical delight.

Sincerely,
Gargoyle