This and that

Melancholy, Albert Gyorgy

Naum Gabo, spiral theme, 1941

Fred Sandback, Untitled, (woodcut on Arches Satine paper with deckle edge), Westfälischer Kunstverein, Münster, 1987 [Edition of 1–20; I–V; 1 known Estate proof] [Photo: Wilfried Petzi, München / Sammlung Goetz, München. © Fred Sandback Archive]

May Flowers, 1997 - Gordon Louis Mortensen- American b, 1938

Felix Vallotton , 1911

Frantisek Kupka, La voie de la science, 1903

Niagara Gorge, 1894, John Henry Twachtman

Medium: oil,canvas

https://www.wikiart.org/en/john-henry-twachtman/niagara-gorge

Otto Dix aka Wilhelm Heinrich Otto Dix (German, 1891-1969, b. Gera, Germany) - Thunderstorm at Lake Constance, 1939, Paintings: Oil on Hardboard

Black Square and Red Square, Kazimir Malevich

The principle of painting the walls, 1920, Kazimir Malevich

Max Bill

continuity, 1946-47

alexander calder, a universe, 1934

painted iron pipe, steel wire, motor, and wood with string

Max Wolf. Die Spektra von vier Wolf-Rayet-Sternen. 1913.

Heidelberg University

Dolphins, 1923, M.C. Escher

Four Regular Solids, 1961, M.C. Escher

Head, Alberto Giacometti, 1934, Art Institute of Chicago: Contemporary Art

Gift of Skidmore, Owings and Merrill Size: 25.4 x 20.3 x 17.8 cm (10 x 8 x 7 in.) Medium: Bronze, edition number one of six

https://www.artic.edu/artworks/87445/

Salome, 1893, Odilon Redon

Medium: pastel,paper

Small Worlds VII, 1922, Wassily Kandinsky

Medium: woodcut

Kazimir Malevich (Russian ,1879−1935)

Town ,c.1910

Cherries, Théo van Rysselberghe

Medium: watercolor,paper

https://www.wikiart.org/en/theo-van-rysselberghe/cherries