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.

accepts popular magazines to support literacy projects

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