Gabardi, Melissa. Art Deco Jewellery: 1920-1949. ,
Antique Collectors' Club, 1989.
Although the title "Art Deco" might suspect otherwise, this books also covers the after math of one of the most typical styles which developed during the 20th century. The author takes a close look at the most prominent jewelers of the time as noting the differences between - mostly European - countries.
This hard cover comes with a plethora of images and is well recommended.