Unknown

Towards the Unknown

Gunther Gerzso Mexican, 1915–2000

The Guilty One Remains Unknown

George Grosz American, born Germany, 1893-1959

Sketches of Patmos, Sardis, Obelisk of Heliopolis

Unknown artist possibly British, 19th century

Unknown Subject

Ivan Albright American, 1897-1983

Cylinder Desk and Bookcase

Artist unknown (American, 19th century) Boston

Le Chef-d'oeuvre inconnu (The Unknown Masterpiece)

Pablo Picasso (Spanish, 1881-1973) written by Honoré de Balzac (French, 1799-1850) etched by Louis Fort (French, 19th-20th century) and engraved by Georges Aubert (French, 1886-1961) published by Ambroise Vollard (French, 1867-1939) binding by Henri Creuzevault (French, 1905-1971)

Portrait of a Young Lady

Style of Jean-Honoré Fragonard French, 1732-1806

Madonna and Child (recto), and Fragment of Woman's Torso (verso)

Unknown artist probably British, 19th century

Letter of Congratulations to Karna Martensdottir

Unknown Artist Nowegian, 19th century

Looking Glass

Artist unknown (American, 18th–19th century) New York

Untitled

Artist unknown Probably American, 19th century

Unknown (Figure)

Paul Wieghardt American, born Germany, 1897-1969

Unknown, from On the Bowery

Cy Twombly (American, 1928-2011) published and printed by Edition Domberger KG (German, active 1971-1992)

Max Ernst and His Chess Set at the Chess Exhibition, "The Imagery of Chess"

Artist unknown active mid-20th century

To the Amputees—Join the Workforce

Unknown Artist French, 20th century

Man of Sorrows

Artist unknown German, 15th century

Unknown (Head of a Woman)

Paul Wieghardt American, born Germany, 1897-1969

Country Preacher

Artist unknown (American, 19th century)

Montmartre

Artist unknown European, active 19th century

Mary Underwood, Olive Underwood and Susan Underwood

Artist unknown American, 19th century