[Florenz]: [Kunsthistorisches Institut in Florenz], 1972
Hercules Segers, the complete etchings | by E. Haverkamp Begemann; with an introduction by K. G. Boon and a supplement, "Johannes Ruischer" by E. Trautscholdt
Amsterdam: Scheltema & Holkema -- The Hague: M. Nijhoff, 1973