te oratio FRENCH CATHEDRAL probably AMIENS
peter helm full illustrated catalogues online since 2000
https://web.archive.org/web/20100315173729/http://www.polygraphicum.de/Lithographie.html
felis vitae ADOLF v. MENZEL Pictures at an Exhibition depicting GOETHE
peter helm illustrated catalogues
since 2000
http://0700polygraf.blogspot.com/2019/12/peter-helm-lithographie-catalogue.html
dictum
ALTER FRITZ
by Helene Varges
https://web.archive.org/web/20090627063012/http://www.polygraphicum.de/Portrait-Graphik.html
peter helm full illustrated catalogues
online since 2000
