SPIB - Signal Processing Information Base: (Access via FTP)
Contains books, paper archives, data, software, newsletter archives, etc.
SCAD - Systems and Control Archive at Dallas: (Access via WWW homepage) Contains books, paper archives, software, conference announcement, eletter archives, job archives, thesis, etc.
Neuroprose Paper Archives: (Access via FTP)
Contains preprints (in postscript format) of many important papers in connectionist and machine learning research.
Computer Vision Homepage: (Access via WWW)
This is a springboard to many on-line vision related archives. It links to more than 5000 test images, FTP and GOPHER archives, publications, source code, newsgroups, conferences, and more than 100 research groups' home pages. It also points to archives such as PEIPA at UK, ECVNet Web archive in Italy, all-legal texture database at MIT, etc.