Keywords: Isaac de Beausobre.jpg Isaac de Beausobre 8 March 1659 “ 5 June 1738 French Protestant churchman now best known for his history of Manichaeism 1st Quarter of the 18th Century engraving Digital Library of University of Wroclaw object history credit line accession number http //www europeana eu/resolve/record/09404/id_oai_www_bibliotekacyfrowa_pl_14362 PD-old-100 other versions century 18 http //www sil si edu/digitalcollections/hst/scientific-identity/fullsize/SIL14-R002-01a jpg other versions Johann Martin Bernigeroth 18th-century engraved portraits of men at half length |