found: Philips Koninck, 1936:title page (von Horst Gerson)
found: Ausbreitung und Nachwirkung der holländischen Malerei des 17. Jahrhunderts, 1942:title page (von H. Gerson)
found: Ausbreitung und Nachwirkung der holländischen Malerei des 17. Jahrhunderts, 1983 [reprint of 1942 edition]:title page (von H. Gerson) jacket (Prof. Dr.; born 1907 in Berlin; Horst Karl Gerson; died 1978 in Groningen)
found: Rembrandt Gemälde, 1969:title page (Horst Gerson)
found: Gerson in Groningen, 2007:title page (een portret van Horst Gerson, kunstkenner en hoogleraar kunstgeschiedenis (1907-1978)) Horst Gerson) page 9 (Horst Karl Gerson; born March 2, 1907, in Berlin)
found: German Wikipedia, viewed May 20, 2021(Horst Gerson; Horst Karl Gerson; born March 2, 1907, in Berlin; died June 10, 1978, in Groningen; German-Dutch art historian; obtained his doctorate in 1932 in Göttingen; emigrated to the Netherlands and worked at the Rijksbureau voor Kunsthistorische Documentatie beginning in 1934; from 1954 to 1965, he served as the Rijksbureau's director. He obtained Dutch citizenship in 1940. In 1965, he was named professor at the University of Groningen)