- Archivio di Stato di Firenze (links also to other archives)
- Austrian union library catalogues online
- BARD (Bodleian Access to Remote Databases)
- Biblioteca Nacional, Portugal
- Bibliotheken, Bücher und Berichte (German library catalogues)
- Bibliothèque Nationale, Paris (use the link to connect; press CTRL-Z to disconnect)
- Bodleian Library, Oxford
- Britten-Pears Library
- CARL (Colorado libraries, offering bibliographical searches for articles)
- Center for Research Libraries (CRL, Chicago)
- COPAC (merged online library catalogues of Cambridge University, Edinburgh University, Glasgow University, Imperial College of Science, Technology and Medicine, Leeds University, University of Manchester, University of Nottingham, Oxford University, Trinity College Dublin, University College London, University of London Library, the records from a further twelve university library catalogues will be added in due course, and possibly materials from other libraries; searches can be done using title words, author and organisation names, subject words, date, language and library)
- Durham University: special library resources (cathedral and university collections, including resources for 17th-century music and for 19th- and 20th-century English music)
- Handschriftendatenbank (manuscripts in German libraries for which electronic standard entries exist: enter your text string in the field labelled "Freitext-Index" and click on the "Suchen" button above the fields)
- Hill Monastic Manuscript Library, St John's University, Collegeville, MN
- Huntington Library, California
- International Library of African Music, Rhodes University, Grahamstown, South Africa
- IREX database on access and working conditions in libraries and archives ("first-hand accounts of the experiences of American scholars who have recently worked in the libraries and archives of Eurasia; submitted by researchers as part of their grant program, IREX makes these reports available in unedited or slightly modified form to assist the scholarly community in planning future research visits")
- Italian union library catalogues (online catalogue of the Servizio Bibliotecario Nazionale, organized by or in collaboration with the Istituto Centrale per il Catalogo Unico: the most complete national union catalogue of Italian libraries that is available, a shared cataloguing system launched in 1992, where more than 300 libraries (including all the national libraries and big regional pools) participate)
- Karlsruher Virtueller Katalog (KVK) of the Karlsruhe University Library (gateway to six German consortia's union catalogues, BIBOS, COPAC, and several other databases that can be searched simultaneously or individually)
- Library catalogues online: Billy Barron's document "Accessing Online Bibliographic Databases", now rather out of date, but with useful telnet addresses
- Library of Congress
- Library of Congress gopher site for music
- MELVYL (University of California libraries union catalogue: enter `vt100' for terminal, press [return] twice, enter `CAT' for the full catalogue, and follow menus; they will e-mail you the results of searches)
- Music Library of the Future project (MLF, McGill University)
- OCLC (Online Computer Library Center)
- Österreichische Nationalbibliothek (on-line catalogue)
- Princeton University Music Listening Library, monthly acquisitions list
- RISM Online (Répertoire International des Sources Musicales--the International Inventory of Musical Sources, a worldwide effort to describe sources of music and writings about music from the earliest times up to about 1825), with access to four databases:
- RISM A/II: Music Manuscripts After 1600 (230,000+ records for music manuscripts held by 451 libraries in 23 countries; a graphical online thematic catalogue, this database includes approximately 400,000 melodic incipits)
- U.S. RISM Libretto Project Database (13,000+ records for libretti in the Schatz Collection at the Library of Congress)
- RISM Library Directory (5,500+ records; an international directory of RISM sigla, addresses, etc. of libraries holding musical sources relevant to RISM bibliographies)
- RISM Bibliographic Citations Database (1,300+ records, consisting of citations for secondary sources referred to in the other RISM Online databases)
- Russian National Library (for sending E-mail, to the address rnb@glas.apc.org)
- Carfax Publishing Ltd, including SARA (Scholarly Articles Research Alerting: "e-mail service, delivering tables of contents for any journal available under the scheme, free of charge: access the Carfax Home Page, enter SARA and follow the on-screen instructions or send an e-mail to SARA@carfax.co.uk with the word "info" in the body of the message)
- Shakespeare Folger Library (Hamnet: The Folger Online Catalog)
