LEW1147625: Patrick Heron (b/w photo), Heron, Patrick (1920-99) / Private Collection / Bridgeman Images

MEP850515: Two Forms, by Henry Moore, 1971, 20th Century, glass fiber, Moore, Henry Spencer (1898-1986) / Private Collection / Bridgeman Images

MEP849824: Landscape (Paesaggio), by Felice Casorati, 1953, 20th Century, oil on cardboard, 50 x 60 cm, Casorati, Felice (1886-1963) / Private Collection / Bridgeman Images

FOG3036849: Ceremonial Stand with Snake, Abstract, and Openwork Decoration, Three Kingdoms Period, North Kyôngsang Province (stoneware), Korean School / Fogg Art Museum, Harvard Art Museums, USA / Bridgeman Images

BPA399829: Ancestor figure in abstract style exhibiting classical features of Polynesian sculture, Takuu, 19th century (wood), Polynesian School, (19th Century) / Mark and Carolyn Blackburn Collection of Polynesian Art / Bridgeman Images

PFH1183471: India: Koranic verse and abstract motifs on the western facade of the Taj Mahal at sunset, Agra, Uttar Pradesh / Bridgeman Images

GRC2630220: colour woodblock print of Pine Needles and Blossoms, 1882 (colour woodblock print), Japanese School, (19th century) / Private Collection / Bridgeman Images

LUN4367199: Time marks. Abstract art showing forms as a witness of passing time. Shadow portrays on a concrete wall. Photography by Michel Lunardelli. / Bridgeman Images

CCX3474442: Staircase to top floor, Hotel Solvay, 224 Avenue Louise, Brussels, 1894-1903 (photo), Horta, Victor (1861-1947) / Bridgeman Images

LUN4367186: Time marks. Abstract art showing forms as a witness of passing time. Shadow portrays on a concrete wall. Photography by Michel Lunardelli. / Bridgeman Images

MEP2362043: Portrait of Ornella Vanoni in evening dress / Bridgeman Images

MEB944018: Summer, by Leonardo Dudreville, 1912, 20th Century, oil on canvas, 155,4 x 165 cm, Dudreville, Leonardo (1885-1975) / Bridgeman Images

KLT3871743: Arnulf Rainer / Bridgeman Images

BPA400164: Tapuvae, pair of stilt steps, Marquesas Islands, 18th or early 19th century (ironwood), Polynesian / Mark and Carolyn Blackburn Collection of Polynesian Art / Bridgeman Images

STC255720: Textile designs, French album from 1st half of 19th century., Anonymous / Private Collection / Bridgeman Images

EVB2934409: Augustus John (1978-1961), Welsh figurative painter sustained a long, successful career in century that favored abstract art. c. 1925 / Bridgeman Images

MEP850191: Cementarmato, 1960 (cement and iron bars), Uncini, Giuseppe (1929-2008) / Museo del Novecento, Milan, Italy / Bridgeman Images

ZUM4934051: May 28, 1954 - 9 year old artist exhibits 'Abstract' paintings: 9 year old Patrick Jordan of Paris among his paintings now on show at the galerie D'Orsay ~ Paris. Patrick began paintings when he was 4 years old and had shown great talent in expression his ideas in a pure abstract style / Bridgeman Images

ZUM4934077: May 28, 1954 - 9 Year Old Artist Exhibits” Abstract” Paintings: 9-Year-Old Patrick Jordan Of Paris Among His Paintings Now On Show At The Galerie D'Orsay, Paris. Patrick Begin Painting When He Was 4 Years Old And Has Shown Great Talent In Expressing His Ideas In A Pure Abstract Style / Bridgeman Images

MDS3881508: A composition of bridges / Private Collection / Bridgeman Images

STE3862274: de Kooning, Willem, 1956, Stein, Fred (1909-67) / Bridgeman Images

STC404328: Floral abstract wallpaper, designed by Paul Dumas studio, from a pattern book published 1927 (colour litho), French School, (20th century) / Private Collection / Bridgeman Images

STC404330: Floral abstract wallpaper, designed by Paul Dumas studio, from a pattern book published 1927 (colour litho), French School, (20th century) / Private Collection / Bridgeman Images

ICA4863582: Days of France, Satirique en Colours, 1974_1_21: Humor, Art, Housing, Abstract Art - Painters artists - Illustration by Jacques Faizant (1918-2006), Faizant, Jacques (1918-2006) / Bridgeman Images

GRC1126451: Hijo de Sevilla (Son of Seville) Poster by Karl Hagedorn, 1927 (colour litho), Hagedorn, Karl (1889-1969) / Private Collection / Bridgeman Images

MEP943148: Big Shape (La grande forma), by Fabrizio Plessi, 1963, 20th Century, oil on canvas, 100 x 146 cm, Plessi, Fabrizio (b.1940) / Galleria Internazionale d’Arte Moderna, Ca’ Pesaro, Venice, Italy / Bridgeman Images

MEP850131: Composition 11, 1934-36 (charcoal on cardboard), Rho, Manlio (1901-57) / Museo del Novecento, Milan, Italy / Bridgeman Images

MEP850134: Composition 10, 1934-36 (charcoal on cardboard), Rho, Manlio (1901-57) / Museo del Novecento, Milan, Italy / Bridgeman Images

FAG3242337: To the Moon - Shelley (mixed media), Rothenstein, Michael (1908-93) / Fry Art Gallery, Saffron Walden, Essex, UK / Bridgeman Images

MEP850130: Composition 9, 1934-36 (charcoal on cardboard), Rho, Manlio (1901-57) / Museo del Novecento, Milan, Italy / Bridgeman Images

MEP850133: Composition 8, 1934-1936 (charcoal on cardboard), Rho, Manlio (1901-57) / Museo del Novecento, Milan, Italy / Bridgeman Images

HST3084025: Untitled (#20), c.1948-54 (collage of fabric, coloured paper, sandpaper, gouache, & w/c on paper board), Ryan, Anne (1889-1954) / Museum of Fine Arts, Houston, Texas, USA / Bridgeman Images

JSC383736: Coverage of Bruno Hat in The Graphic, 3rd August, 1929 (print), English School, (20th century) / The Sherwin Collection, Leeds, UK / Bridgeman Images

MEP943662: Prisms, by Romolo Romani, 1909, 20th Century, oil and tempera on framed paper, 80,5 x 102 cm, Romani, Romolo (1884-1916) / Bridgeman Images

TRK3025061: Mesopotamia. Hexagonal clay prism with an abstract from a lexical list of professions, titles, and social characteristics. Lagash. Sargonic period. / State Hermitage Museum, St. Petersburg, Russia / Bridgeman Images

PFH1183469: India: A pishtaq (recessed arch) with calligraphic and abstract motifs on the western facade of the Taj Mahal at sunset, Agra, Uttar Pradesh / Bridgeman Images