A print-on-demand service for books, journals, theses and dissertations stored in their microfilm repository.

NTIS is a central source for the sale of scientific, technical, engineering and related business information produced by or for the U.S. government and similar material from international sources.

Offers access to older standards and specifications from around the world.
"To find single issues of journals, in addition to searching the inventories of the sites listed above, there are specialized sites just for back issues of journals."

Back issue serial vendor.

An autonomous group of libraries that communicate via electronic discussion list to exchange usable library material. Membership is free and open to all libraries.

Wayback Machine is an internet archive service. Their archives contain over 10 billion web pages dating from 1995 to the present. Use it to surf the web as it was by simply typing in a URL (web site address) and clicking the 'Take Me Back' button.

Provides access to the web sites of defunct U.S. government agencies and commissions.