Winter by Michalina Janoszanka, c. 1927

Green Trees by Léon Spilliaert, 1940

Macaw on Pine Branch by Utagawa Hiroshige, also known as Ando Hiroshige (1797-1858)

Postkarte der Wiener Werkstätte Nr. 180 - Fröhliche Christnacht! by Josef Diveky, 1908 - Greeting Card

Postkarte der Wiener Werkstätte Nr. 838 - Weihnachtskarte by Arnold Nechansky, 1911 - Greeting Card

Semmeringlandschaft by Koloman Moser, 1913 - Postcard

Semmeringlandschaft by Koloman Moser, 1913

Kasugano from Flowers of a Hundred Worlds (series title) Momoyogusa, vol. 1 by Kamisaka Sekka - 1909

Autumn by Leo Gestel (detail), 1913

Kiefern mit roter Wolke by Gustav Wunderwald - 1909

Ostpreussenlandschaft (Brücke) East Prussian landscape by Gustav Wunderwald, 1923

Game of the spider head and the fly, anonymous, c. 1870

Flammarion engraving attributed to Camille Flammarion, c. 1889

The Park Bench by Horace Pippin, 1946

Cow and Trees by Bernard Essers, 1931

Sowing the Seed by Bernard Essers, 1931

Cattleya Orchid and Three Hummingbirds Martin Johnson Heade, 1871

Postmen of the Wilderness Arthur Heming, 1921

Yggdrasill, The Mundane Tree by Finnur Magnússon, 1859

The Unicorn Rests in a Garden (from the Unicorn Tapestries), French - 1495–1505

A Tiger for a Bed, The Sandman's Forest - 1918

The Snowdrop by Robert John Thornton - 1807

Cupid Inspiring Plants with Love by Robert John Thornton - 1807