Note: every manifestation of a letter is counted, so the number of documents in a repository may be larger than the number of letters.

Repository Number of documents Further details
Inner Temple Library 3 City: London
Country: England, United Kingdom
Institut d’histoire de la Réformation 1 Alternative names for repository: Musée Historique de la Réformation, Geneva
City: Geneva
Alternative names for city: Genève
Country: Switzerland
Institut für Stadtgeschichte Frankfurt am Main - City: Frankfurt am Main
Country: Germany
Instituto Valencia de Don Juan 2 City: Madrid
Country: Spain