Text published: Tribal lays and the history of the Fingerprint, in Many into one. Problems and opportunities in creating shared catalogues of older books. Papers presented on 11 November 2005 at the CERL Seminar hosted by the Biblioteca Nazionale Centrale, Rome, edited by David J. Shaw, London, Consortium of European Research Libraries, 2006 (CERL Papers, 6), pp. 21-72. A version has also circulated as an offprint published by the author in 120 copies in January 2007. The extract contains an errata-corrige attached here. This version is made available by permission of the Consortium of European Research Libraries.