Books: four books on netsuke and Inr? - Ton and Mies Becker, '101 Netsuke', 2012; Raymond Bushell, 'The Inr? Handbook, Studies of Netsuke, Inr? and Lacquer', 2002; éva Cseh, 'Netsuke: Japanese Miniature Carvings, Collections of the Ferenc Hopp Museum of Eastern Asiatic Arts', Volume I, 2001; Matthew Welch and Sharen Chappell, 'Netsuke: The Japanese Art of Miniature Carving', 1999, current provenance: The Stolk Collection