Otto Frei

year of pub­li­ca­ti­onISBNauthor(s)title
1991978-0-9651049-0-6Alan RevereProfessional Goldsmithing: A Contemporary Guide to Traditional Jewelry Techniques
1999978-0-9651049-1-3Alan RevereRing Repair
2008978-0-9651049-3-7   ''Setting Repair