Keywords: HenricusOort.jpg en Henricus Oort 1836-1927 professor Hebrew at Leiden University 1909 Digitool Leiden University Icones Leidenses 280 http //socrates leidenuniv nl Betsy van Manen 1873-1915 PD-old-100 Uploaded with UploadWizard Icones Leidenses Leiden University faculty Hebraists Rectores magnifici from Leiden University Photographs uploaded by User Vysotsky |