PRINCIPES DE DESSIN. Paris c.1700 https://web.archive.org/web/20091126173547/http://www.polygraphicum.de/ParisFrankreichVaria.html Sébastien Le Clerc polygraficum.de peter.helm@polygraphicum.net polygraphicum.de kunstantiquariat HELM kunsthandel EBERBACH 1387 sites.google.com/view/eberbach1387 committed TO excellence https://web.archive.org/web/20091115161911/http://www.polygraphicum.de/refs.html since 1980

PRINCIPES DE DESSIN. Paris c.1700 https://web.archive.org/web/20091126173547/http://www.polygraphicum.de/ParisFrankreichVaria.html Sébastien Le Clerc http://polygraficum.de peter.helm@polygraphicum.net http://polygraphicum.de kunstantiquariat HELM kunsthandel EBERBACH 1387 https://sites.google.com/view/eberbach1387 committed TO excellence https://web.archive.org/web/20091115161911/http://www.polygraphicum.de/refs.html since 1980