"Joachim Gasquet's Cézanne: A Memoir with Conversations". Book by Joachim Gasquet, Thames and Hudson, London, p. 124, in: 'What I know or have seen of his life', 1991.
"Joachim Gasquet's Cézanne: A Memoir with Conversations". Book by Joachim Gasquet, Thames and Hudson, London, p. 211 in: 'What he told me - III. The Studio', 1991.