After his graduation, Waley was appointed Assistant Keeper of Oriental Prints and Manuscripts at the British Museum in 1913. During this time he taught himself Chinese and Japanese, partly to help catalogue the paintings in the Museum's collection. He quit in 1929 to devote himself fully to his literary interests. Amongst his many translations include 170 Chinese Poems (1918), Japanese Poetry: The Uta (1919), The No Plays of Japan (1921), The Tale of Genji (published in 6 volumes from 1921-33), The Pillow Book of Sei Shonagon (1928), Monkey (1942, an abridged version of Journey to the West), The Poetry and Career of Li Po (1959) and The Secret History of the Mongols and Other Pieces (1964).