21. He served as the president of the Antiquarian Booksellers Association from 1956 until his death in 1957. 22. The buyer was Bernard Quaritch Ltd ., an antiquarian bookseller whose representatives outbid American trader David Waxman. 23. Bookstore tourism is encouraged by organizations such as the Massachusetts and Rhode Island Antiquarian Booksellers ( MARIAB ). 24. Oak Knoll is a member of several professional organizations, including the Antiquarian Booksellers 'Association of America, 25. The panel of judges ( or jurors ) consists of three professional scholars or librarians and three antiquarian booksellers . 26. Other organizations include Antiquarian Booksellers Association of America and the International League of Antiquarian Booksellers from 1997 to 2011. 27. Other organizations include Antiquarian Booksellers Association of America and the International League of Antiquarian Booksellers from 1997 to 2011. 28. He was active in The Book Table Club, a group founded in 1931 by New York antiquarian booksellers . 29. Cole's Register of British Second-Hand and Antiquarian Booksellers lists 2, 600 outlets for collectable books. 30. The Antiquarian Booksellers 'Association of Austria has hosted the biennial ILAB congress three times, the last in 1998.