The National Gallery, London

Artstor and The National Gallery, London have collaborated to share images of every painting in the museum's permanent collection in the Digital Library.

The National Gallery houses one of the greatest collections of Western European painting in the world. Composed of more than 2,300 works dating from the 13th century to the early 20th centuries, the collection encompasses most major developments in Western painting. Highlights include Cézanne's Bathers (Les Grandes Baigneuses), Piero della Francesca's The Baptism of Christ, Rembrandt's Self Portrait at the Age of 34, Holbein's The Ambassadors, Uccello's The Battle of San Romano, Van Gogh's Sunflowers, Titian's Bacchus and Ariadne, van Eyck's The Arnolfini Portrait, and Velázquez's Rokeby Venus.

Founded in 1824, The National Gallery, London is the fourth most visited art museum in the world and is open to the public 361 days a year, free of charge.