| 1,903 | Mandis |
| 684 | The Royal Library of Sweden (LIBRIS) |
| 301 | Helsinki Metropolitan Libraries |
| 241 | Gemeinsamer Bibliotheksverbund (GBV) |
| 174 | manual entry |
| 36 | Talis Union Catalog |
| 35 | British Library (powered by Talis) |
| 31 | Library of Congress |
| 31 | National Library of Scotland |
| 25 | SUDOC |
| 22 | Südwestdeutscher Bibliotheksverbund SWB |
| 19 | ILCSO (Illinois Libraries) |
| 9 | NEBIS (Switzerland) |
| 8 | Det kongelige Bibliotek |
| 7 | Südwestdeutscher Bibliotheksverbund SWB |
| 7 | BURK |
| 6 | ELNET-TALLINN |
| 6 | Hungarian National Library - Országos Széchényi Könyvtár |
| 6 | Bibliotheken Berlins |
| 5 | Hungarian National Library - Országos Széchényi Könyvtár |
| 5 | Edinburgh University |
| 4 | National Library of Poland |
| 3 | Universidad Carlos III de Madrid |
| 3 | University of Cambridge |
| 3 | National Library of the Czech Republic |
| 2 | Canadian National Catalogue |
| 2 | Biblioteca Pública de Burgos |
| 2 | University of Zurich |
| 2 | Oxford University |
| 1 | BIBSYS (Norway) |
| 1 | Cornell University |
| 1 | University of California, CDL |
| 1 | Biblioteca Pública de Avila |
| 1 | Waseda University |
| 1 | Catàleg Col·lectiu de les Universitats de Catalunya |
| 1 | Memorial University of Newfoundland |
| 1 | Queen's University |
| 1 | National Library of Norway (Norbok) |
| 1 | Italian National Library Service |
| 1 | Catàleg Col·lectiu de les Universitats de Catalunya |
| 1 | Cal State University, San Francisco |
| 1 | Imperial College London |
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