Drawing, Swiss Style House, possibly 1868 (CH 18192337)

Swiss style^ - geograph.org.uk - 4830823

Poster, Ausstellung Jean Verhoeven, Kunstsalon Wolfsberg, ca. 1915 (CH 18731769)

Design tracings (1875) (14593216957)

Design tracings (1875) (14592854579)

Design tracings (1875) (14756132666)

Design tracings (1875) (14592770737)

Design tracings (1875) (14776401361)

Design tracings (1875) (14799194763)

Design tracings (1875) (14776649121)

Design tracings (1875) (14592585799)

Design tracings (1875) (14777202034)

Design tracings (1875) (14592616988)