GRIL NACO contribution (n.d.)
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LAPADA WWW site, Oct. 31, 2007 about LAPADA page (LAPADA Limited, registered in England No. 1168440)
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Library of Congress Authorities online (2002-) http://id.loc.gov/authorities/names/no2007134875
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The art and antiques year book, 2008: p. 2 (LAPADA) p. 70 (Association of Art & Antiques Dealers) | | |