Since 1889 the pointing Griffons had their particular stud book, when E. K. Korthals created the Hunde Stammbuch des Griffon-Club(GSB), officially recognized by France, Belgium, Holland, Switzerland, Sweden, Finland and Germany.
Some GSB are here available for download:
GSB 1963 | GSB 1970 | GSB 1970 | GSB 1993 |