Here are a few that are brand specific, but still helpful.

http://classicfuji.com/

http://www.miyatacatalogs.com/2007/1...g-1985_07.html

http://www.vintage-trek.com/

http://www.cyclespeugeot.com/

And this one has a few different catalogs

http://bulgier.net/pics/bike/Catalogs/