References:
Educational and Informational Sites

Hallmarks & Patents:

• http://www.ipo.gov.uk - for a table of published British patent numbers issued 1916-1979
  
  
• http://www.uspto.gov/web/offices/ac/ido/oeip/taf/issuyear.htm for a table of U.S. issue years and patent numbers since 1836.
  
  
• http://www.uspto.gov/patft/#notices - US Patent & Trademark Office's searchable patents database.
  
  
• http://www.theassayoffice.uk.com/esh/accept.asp - The Birmingham Assay Office's search engine for maker's marks..
  
  
• http://www.smpub.com/cgi-bin/ubb/Ultimate.cgi - SMP Silver Salon Forum, a source for silver hallmarks and makers' marks identification.
  
  
• http://www.925-1000.com/index.html - Online Encyclopedia of Silver Marks, Hallmarks & Maker's Marks
  
  
• http://www.silvercollecting.com - The Online Encyclopedia of American Silver Marks
  
  
• http://unitt.ca/antiqueguide/BRM1.htm - British Registry marks explained and decoded
  
  
• http://www.jewelrypatents.com - An online resource of all United States patents by company and inventor/assignor with over 12,000 patents dating from 1856 through 1970.
  
  
• http://www.chicagosilver.com/marks.htm - Many pages of American makers' marks on jewelry and silver, including arts & crafts metalsmiths and commercial manufacturers, plus an alphabetical index by name.
  
  
• http://www.hallmarkresearch.com - A resource that can help ID your hallmarks. Recently published a comprehensive book on European hallmarks.
  
  

Costume Jewelry Links and Marks:

• http://www.trifari.com - a website for signed costume jewelry, items for sale, plus information on many costume jewelry makers, including design patents

• http://www.illusionjewels.com/costumejewelrymarks.html- Researching Costume Jewelry

• http://asiteforme.tripod.com/MarksIndex.html - Index of Jewelry Marks (primarily American costume: names A through H only so far)

• http://www.antiquingonline.com/jewelry-designers.htm - Jewelry Designer & Company Information from The Jewelry Box at Antiquing Online

Jewelry-Making and Metalsmithing Links

• http://www.revereacademy.com - The Revere Academy of Jewelry Arts

• http://www.goldsmith.it/us/ - The Italian Goldsmiths Art

• http://www.metalcyberspace.com - the site for news, people and events relating to metals

• http://www.whoswhoingoldandsilver.com - the London Goldsmiths' Company Directory, a list of contemporary British designers and craftsmen.

• http://www.brainpress.com/Ganoksin.html - over 600 pages of text and graphics on jewelry and art business subjects to download free

General Jewelry Links:

• http://www.gemscape.com/html/misnomer.htm - an extensive list of names for gemstones which are not what they seem . . .

• http://www.enamelcufflinks.com - collector extraordinaire Derek Anastasia's site for everything you need to know about enamel cuff links

• http://www.effie-graa.com - a website for Scandinavian Modern Jewelry and Design, items for sale, plus information on many Scandinavian designers

• http://www.ganoksin.com - Ganoksin Online, a substantial library of articles, publications, reports, and technical data on gem and jewelry related topics; as well as a sizable collection of art and jewelry galleries, for both the casual visitor and the professional.

• http://www.enchantedlearning.com/jewel/glossary/ - All About Jewels Glossary. An extensive online dictionary of jewelry, beautifully illustrated, with crosslinked references, very useful for both fine and costume jewelry enthusiasts

• http://www.costumes.org/HISTORY/100pages/Jewelink.htm - Links to jewelry history and jewelry-related sites

• http://www.sparklz.com/indexC.htm - Sparkles Reference, links to information, tips and guides on a wide variety of topics

• http://www.jewelryexpert.com/links/educational-links.htm - a directory of educational links to museum sites, online articles and publications, and other resources

• http://www.chicagosilver.com - Handwrought metalwork from the American Arts & Crafts Movement
  
  
• http://www.allaboutgemstones.com - All About Gemstones is a diamond and colored-gemstone knowledge-base website designed to provide useful information on the subjects of gemology, contemporary jewelry design, jewelry fabrication, mining, gem-cutting history, geography, and the jewelry trade. Many useful links on every page.
  
  
• www.antiquejewelryuniversity.org  Antique Jewelry University is an on-line organization made up of scholars, educators, jewelry professionals and interested individuals from all over the world who share a passion for antique, estate and vintage jewels. The goal is to make available to the public, and professionals alike, an ever expanding repository of information, useful and arcane, related to the subject of period jewelry.