Setting up a public workstation with a pioneer six-changer, Robert Lopresti; extract - fundamentals and issues, Duncan M. Aldrich; using dBase with depository CD-ROMs, Susan M. Ryan; the summary tape file series from the 1990 census, Jane Cramer; the 1987 economic census on CD-ROM, Denise J. Johnson; foreign trade data - U.S. exports and imports of merchandise on CD-ROM, John Brandt; the census of agriculture and county business patterns, Mary Jane Ledvina; cruising the census bureau's county and city data book and USA county statistics, Steve McKinzie; using geographical information systems (GIS) software with U.S. census bureau CD-ROM databases, Paul Lewis; NTDB - National Trade Data Bank and NESE*DB - National Economic, Social, and Environmental Data Bank, Vicky York; the national health interview survey CDs, John Maxymuk; public's right-to-know - toxic release inventory, Oya Rieger; appendix - an annotated list of GPO CD-ROMs, edited by Denise J. Johnson, originally compiled by SIGCAT.