Catalogues Raisonnés
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MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 267) as 'Group of four men'.
Catalogues 1906-Present
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Curry, David Park, James McNeill Whistler at the Freer Gallery of Art, New York and London, 1984, p. 232, pl. 193.
Websites
- Freer Gallery of Art website at https://asia.si.edu/object/F1898.196, as 'Group of four men'.
Last updated: 14th December 2019 by Margaret