The resources collected below relate wholly or in very large part to correspondence and – with a few exceptions, mainly in the first section – deal with early modern letters.
Epistolary Centres, Multi-Correspondence Research Projects, and Working Groups
- Archilet: Archivio delle corrispondenze letterarie italiane di età moderna (secoli XVI-XVII)
- Berliner Intellektuelle 1800-1830
- Centre for Editing Lives and Letters (CELL)
- Centro di Ricerca suglio Epistolari del Settecento (CRES)
- Centro di Studi Muratoriani
- Croatiae Auctores Latini: Collectio Electronica (CroALa)
- Circulation of Knowledge and Learned Practices in the Seventeenth-Century Dutch Republic (CKCC)
- Corpora of Early English Correspondence (CEEC)
- Correspondence Corpora: Digitising Experiences of Migration
- Cultures of Knowledge: An Intellectual Geography of the Seventeenth-Century Republic of Letters (Phase I Site, 2009-2012)
- Electronic Enlightenment: Letters and Lives Online (EE)
- Frühneuzeitliche Ärztebriefe des Deutschsprachigen Raums (1500-1700)
- Hijacked Letters
- IMPAcT: From Late Medieval to Early Modern: Thirteenth to Sixteenth Century Islamic Intellectual History
- Letters of Note: Correspondence Deserving of a Wider Audience
- Mapping the Republic of Letters (MRofL)
- Open Correspondence: The Correspondence Network of the Nineteenth-Century Literary World
- The Parsed Corpus of Early English Correspondence
- République des Lettres: UPS 3285 du CNRS
- The Scientific Revolution Homepage: Research Projects (Professor Robert A. Hatch)
- Six Degrees of Francis Bacon: Reassembling the Early Modern Social Network
- Text Encoding Initiative (TEI) SIG: Correspondence
- TORCH Research Network on Enlightenment Correspondences
- Twentieth Century Literary Letters: Digitizing, Visualizing, and Exploring Correspondence Across the Century
- Vernetzte Korresponzenden: Visualisierung von mehrdimensionalen Informationsstrukturen in Briefkorporan
- Voltaire Foundation
Union Catalogues of Letters
- Archilet – reti epistolari: Archivio delle corrispondenze letterarie di età moderna
- Catalogus Epistolarum Neerlandicarum (CEN)
- Corpus Epistolicum Recentioris Aevi (CERA)
- Early Modern Letters Online (EMLO)
- e-manuscripta: The Digital Platform for Manuscript Material from Swiss Libraries and Archives
- Kalliope
Digital Correspondence Editions
- Bess of Hardwick’s Letters: The Complete Correspondence, c.1550–1608
- Correspondance de Pierre Bayle
- The Cullen Project: The Consultation Letters of Dr William Cullen (1710-1790)
- Darwin Correspondence Project
- ePistolarium (CKCC)
- Thomas Gray Archive
- The Correspondence of Hugo Grotius (see also Modelling-Grotius)
- The Correspondence of Constantijn Huygens, 1608–1687
- The Linnaean Correspondence
- The Elizabeth Montagu and the Bluestocking Circle Project
- The Newton Project
- Sir Hans Sloane’s Correspondence Online
- The Spenser Letters
Digital Archives and Catalogues of Correspondence
Individual Institutions
- Biographical Records of the Royal Society
- Håndskriftafdelingens Brevbase, Det Kongelige Bibliotek, Copenhagen
- Index of Literary Correspondence in the Bodleian Library
- Waller’s Manuscript Collection, Uppsala University Library
Individual Correspondents and Correspondence Networks
- Inventory of the Correspondence of Johann Valentin Andreae (1586-1654)
- Francis Bacon Correspondence Project
- Calendar of the Papers of (Hans) William Bentnick
- Correspondence of Théodore de Bèze
- Diplomatic Correspondence of Thomas Bodley, 1585–1597
- The Electronic Capito Project
- Carolus Clusius Project
- Inventory of the Correspondence of D’Alembert
- Corpus of Ioannes Dantiscus’ Texts and Correspondence
- William Dugdale: A Catalogue of his Correspondence
- Les huguenots et le roi: Le combat politique de Philippe Duplessis-Mornay (1572-1600)
- Letters of William Herle
- The Correspondence of Athanasius Kircher
- Medici Archive Project
- Melanchthons Briefwechsel
- The Correspondence of Oswald Myconius (1488-1552)
- The Correspondence of William of Orange, 1549–1584
- The Works and Correspondence of Axel Oxenstierna, Chancellor of Sweden 1612–1654
- Bibliothèque Virtuelle Peiresc
- Thomas Reid Catalogue
- Sloane’s Treasures
- Letters of Philip II, King of Spain, 1592–1597
Hard Copy Correspondence Projects
* also includes an online catalogue
- Edition of the Correspondence (1751-1752) between Luise Dorothea of Saxe-Gotha and Friederike of Mont Martin
- Edition of the Correspondence of Johann Christoph Gottsched
- La Correspondance de Mme de Graffigny
- Projet d’édition de la correspondance d’Hevelius*
- The Correspondence of Daniel Ernst Jablonski (1660-1741)*
- Critical Edition of the Correspondence of Martin Opitz von Boberfeld (1597-1639)
- Leibniz-Edition*
- Monastic Enlightenment and the Benedictine Republic of Letters: The Correspondence of the Brothers Pez
- Josephus Justus Scaliger (1540–1609): Edition of the Correspondence
- Edition of the Letters Philipp Jakob Spener (1635-1705)
- Letters of a Stuart Princess: the Complete Correspondence of Elizabeth Stuart, Queen of Bohemia
- The Ussher Project