Catalogue 18, juin 1990: cover (L'Autographe S.A.)
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GRIL NACO contribution (n.d.)
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Intl. dir. of antiquarian booksellers, 1990/91: p. 383 (L'Autographe S.A., Geneva)
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Library of Congress Authorities online (2002-) http://id.loc.gov/authorities/names/no2008090309 | | |