Research Group on Aging and the Life Course (FALL)
Other sources: Selected search engines
Abacho | Bellnet.com | Dino-Online | Fireball | Lycos Deutschland | Sharelook | Web.de | Yahoo Deutschland
Or more than one at the same time:
Apollo 7 | Google | MetaGer
Nomade | Yahoo France
In Great Britain:
WWWlib | Yahoo UK
the blue window search | Switzerland - Home
And in the USA:
Dogpile | Highway 61 | ProFusion | Search.com | UseIt!
Some other search engines may be accessed through:
WWW Search Engines, a Meta-Index to find other things as well
Web Search Tools and Indexes, if this was not enough...