- AGRB Archives Générates du Royaume, Brussels, Belgium
- AGS Archivo General, Simancas, Spain
- AMAE Archives du Ministere des Affaires Érangères, Paris, France
- ARA Algemene Rijksarchief, The Hague, Netherlands
- BGSA Bayerisches Geheimes Staatsarchiv, Munich, Germany
- BL British Library, London, England
- BNM Biblioteca Nacional, Madrid, Spain
- KrA Krigsarkivet, Stockholm, Sweden
- NLS National Library of Scotland, Edinburgh, Scotland
- PRO, S.P. Public Record Office, London, England; State Papers Collection
- RAC Rigsarkivet, Copenhagen, Denmark
- ZSM Zentrales Staatsarchiv, Merseburg, Germany