Study of a Tree, Johann Caspar Nepomuk Scheuren
Watercolor over pencil, 124 x 200 in (316 x 512cm).
On Google art Project, downloadable file on Wikimedia Commons, original is in the Museum Kunstpalast, Düsseldorf
Link: Study of a Tree, Google Art Project
Thank you for the discovery of this artist I did not know :)
I found one of the albums here : http://www.dilibri.de/rlb/content/pageview/19004
It’s beautiful!
Wonderful! Thank you!