This volume is part of the Picasso Project series, the most comprehensive catalogues of the master's work. Each volume contains an overview introduction and a chronology of the period. Each entry contains titles in English and French (Spanish and Catalan for the early years); date and place of creation, when known; dimensions of the work; location of the collection which owns the work, if public; selected publications in which the work has been illustrated; a bibliography of works that are cited; and concordances to Zervos, the Muse?e Picasso, Paris, the Museo Picasso, Barcelona and other standard reference works. There are also citations of sales of works from selected auctions. Picasso emarks on his Blue Period while living in Paris towards the end of 1901 at the age of 20. In January of 1902 he returns to Barcelona.