These URLs are listed in order of "appearance" in the article.

1. American Memory home page for historical collections from the National Digital Library Program at http://lcweb2.loc.gov/ammem/ammemhome.html
2. THOMAS, Library of Congress service providing access to current legislative information at http://thomas.loc.gov/
3. CORDS, experimental prototype for copyright registration and deposit of digital items, described at http://lcweb.loc.gov/copyright/cords.html
4. A full list of the American Memory collections available in May 1996 is at http://lcweb2.loc.gov/ammem/amtitle.html
5. Sample finding aids are being encoded by the Library of Congress using the proposed standard for Encoded Archival Description (EAD). For readers with an SGML viewer, these will be available at http://lcweb2.loc.gov/ammem/ead/eadsamp.html
6. You can search across all American Memory collections at http://lcweb2.loc.gov/ammem/mdbquery.html
7. The Center for Intelligent Information Retrieval has a home page at http://ciir.cs.umass.edu/
8. A sample subject listing from an American Memory collection (photographs from the Detroit Publishing Company) at http://lcweb2.loc.gov/ammem/detrindex1.html
9. Home page for the American Memory collection of Life Histories gathered during the Federal Writers' Project, a project of the Works Progress Administration (WPA) in the 1930s, at http://lcweb2.loc.gov/wpaintro/wpahome.html
10. Human Computer Interaction Laboratory at the University of Maryland at http://www.cs.umd.edu/projects/hcil/
11. Thesaurus for Graphic Materials, developed by the Prints and Photographs Division of the Library of Congress, at http://lcweb.loc.gov/rr/print/tgm1/toc.html
12. Home page for the American Memory collection of books and pamphlets from the library of the National American Woman Suffrage Association, at http://lcweb2.loc.gov/ammem/rbnawsahtml/nawshom.html
13. Home page for the American Memory collection of African-American Pamphlets, at http://lcweb2.loc.gov/ammem/aap/aaphome.html
14. Project Management Enterprises, Inc., at http://www.pmei.com/index.html are the developers of LEXICO/2, described at http://www.pmei.com/lexico/lexico.html
15. Legislative Indexing Vocabulary, the thesaurus of the Congressional Research Service, at http://thomas.loc.gov/liv/livterms.html
16. The Alexandria Project, developing a digital library for geographically-referenced information, at the University of California, Santa Barbara, at http://alexandria.sdc.ucsb.edu/
17. Text Encoding Initiative Guidelines at http://etext.virginia.edu/TEI.html
18. The Country Studies/Area Handbook Program, from the Federal Research Division of the Library of Congress, at http://lcweb2.loc.gov/frd/country.html
19. Components of the Library's hierarchical storage management system are described at http://www1.ibmlink.ibm.com/HTML/SPEC/g2256601.html (for IBM's 3494 Tape Library Dataserver) and at http://www.storage.ibm.com/storage/software/adsm/adsmhome.htm (for ADSM -- ADSTAR Distributed Storage Manager).
20. CORBA, the Common Object Request Broker Architecture, is introduced at http://ruby.omg.org/corba.htm
21. The Inter-Language Unification (ILU) system, from Xerox Corporation, is described at ftp://ftp.parc.xerox.com/pub/ilu/ilu.html
22. SHORE, the persistent object system from the University of Wisconsin, is described at http://www.cs.wisc.edu/shore/
23. VisualInfo, a document management system from IBM, is described at http://www.software.ibm.com/workgroup/image/vi.htm
24. The announcement of the National Digital Library Federation is at http://palimpsest.stanford.edu/cpa/digfed/digfed1.html
25. The home page of the Commission on Preservation and Access is at http://palimpsest.stanford.edu/cpa/index.html
26. The Museum Education Site-Licensing (MESL) project is described at http://www.ahip.getty.edu/ahip/muse.html
27. Home page for the American Memory collection of photographs by Carl Van Vechten, at http://lcweb2.loc.gov/ammem/vvhome.html
28. Eleven pilot projects initiated by the G-7 program on the Global Information Society are listed, with progress reports, at http://www.ispo.cec.be/g7/projidx.html
29. The proposal to build a prototype global library, Bibliotheca Universalis, as part of the G-7 Electronic Libraries Project is at http://www.culture.fr/culture/bibliuni/engbu1.htm
30. NDLP Learning Page at http://lcweb2.loc.gov/ammem/ndlpedu/
31. Ameritech's press release announcing a donation to the Library of Congress to support a competitive grant program to fund digitization of other Americana collections is at http://www.ameritech.com/news/contributions/loc/index.html
32. A list of selected future American Memory titles is at http://lcweb2.loc.gov/ammem/amfuture.html
33. The article by Croft, Cook, and Wilder, entitled Providing Government Information on the Internet: Experiences with THOMAS is online at http://thomas.loc.gov/home/dlpaper.html
34. The article by Kahn and Wilensky, entitled A Framework for Distributed Digital Object Services, is online at http://www.cnri.reston.va.us/home/cstr/arch/k-w.html
35. The Computer Science Technical Report (CS-TR) project is described at http://WWW.CNRI.Reston.VA.US/home/cstr.html
36. The Networked Computer Science Technical Reports Library (NCSTRL) project is described at http://WWW.ncstrl.org/