Works by Title starting with X:

Jean Brian [French, 1910 – 1990]
X Jeux Olympiques d'Hiver 1968 Grenoble
1967, Victoria and Albert Museum, London

John Mason [American, born 1927]
X Pot
1957, Newark Museum

Robert Indiana [American, born 1928]
The X-5
1963, Whitney Museum of American Art, New York

Frankish
Xanten Gospels
c. 810, Royal Library, Brussels

Robert Whitney [American, born 1927]
XIII Olympic Winter Games Lake Placid 1980
1977, Olympic Museum, Lausanne

Ilmari Sysimetsä [Finnish, 1912 – 1955]
XIIth Olympic Games Helsinki Finland
1939, Victoria and Albert Museum, London

Pre-Columbian
Xipe Totec
1507, Smithsonian Institution, Washington D.C.

Pre-Columbian
Xiuhtecuhtli
c. 1325-1521, Museo Nacional de Antropología, Mexico City

Dorothea Tanning [American, 1910 – 2012]
Xmas
1969, Los Angeles County Museum of Art

Pre-Columbian
Xochipilli
c. 1500, Museo Nacional de Antropología, Mexico City

John Sjösvärd [Swedish, 1890 – 1958]
XVI Olympiadens Ryttartävlingar 1956 Stockholm
1955, Victoria and Albert Museum, London

Anne Ryan [American, 1889 – 1954]
XXXIV
1949, Worcester Art Museum