GB
- The British Library (London) and Document Supply Centre at Boston Spa.
- COPAC, a union catalogue of major university research libraries in UK
- Bodleian Library at Oxford University.
- Cambridge University Library. Newton (MSS and thesis)
- Royal College of Music, Online Library Catalogue
- Royal Academy of Music, Online Library Catalogue
- Westminster Libraries & Archives
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NI / Ireland
- Queen's University Belfast
- QCat
- QCat Discover
- Online Music Collection (new list / old list)
- University of Ulster Library
- Trinity College Library in Dublin.
- University College Dublin Library
- James Hardiman Library at NUI, Galway.
Finding dissertations
- DDM-Online
- Index To Theses of Great Britain and Ireland.
- ProQuest -- Online Dissertation Services
Finding Periodicals
Abroad
- Australia: Austalian National Library
- Austria:
- Canada: National Library of Canada
- Denmark:
- France: Bibliothque Nationale de France
- Germany:
- Die Deutsche Bibliothek
- Staatsbibliothek zu Berlin
- WLB Musiksammlung - Oberschwaben
- Universitätsbibliothek Tübingen
- Bach-Archiv Leipzig
- Leipziger Städtischen Bibliotheken
- Herzog August Bibliothek Wolfenbüttel
- Other great catalogues: SWB,
GVK,
HeBIS,
- Italy:
- Japan:
- National Diet Library, Japan
- NACSIS's searchable catalogue
- Kunitachi College of Music Library
- CiNii
- Netherlands
- Spain: Biblioteca Nationale de Espana
- Switzerland: Bibliothheque Nationale Suisse
- Sweden:
- USA: