De briefwisseling van Philips van Marnix, Heer van Sint Aldegonde: een inventaris / The Correspondence of Philips of Marnix, Lord of Saint Aldegonde: An Inventory
Gives for the first time a complete survey of the preserved Correspondence, both published and unpublished. 404 Documents are listed including 100 letters which have never been published at all. Index of Incipits and of Correspondents.