Paul Klee is one of the most significant artists of the twentieth century. For the nine volumes of this landmark project, the Paul Klee Foundation researched some 9,800 drawings, prints, watercolours and oil paintings to catalogue the artist's oeuvre in its entirety. Presenting Klee's output in chronological order, each volume contains an introduction, an explanation of the catalogue system, a German/English glossary, a bibliography and indexes. All of the entries include full reference material, and the vast majority are illustrated. Klee's own entries from the meticulous catalogue he kept from 1911 until his death in 1940 are also included. This is the final volume of this monumental project. Following Klee's sixtieth birthday on 18 December 1939, a major exhibition of works dating from 1935 onwards was held at the Kunsthaus in Berne. For the first few months of 1940 he continued working. This book features the final few hundred works produced by Klee until his admission to hospital. He died on 20 June 1940.