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Portretbeeld van Kees Posthumus rector van de Technische Hogeschool Eindhoven door A. Borstlap. en Portretbeeld Kees Posthumus rector Technische Hogeschool Eindhoven door Borstlap ca europeana eu html Portretbeeld van Kees Posthumus rector van de Technische Hogeschool Eindhoven door Borstlap op europeana eu Contributor Borstlap