Kammerling, Robert C.
Most widely held works by Robert C Kammerling
Gemology by Cornelius S Hurlbut ( Book )
7 editions published in 1991 in English and held by 416 WorldCat member libraries worldwide
Gemología by Cornelius S Hurlbut ( Book )
3 editions published in 1993 in Spanish and held by 8 WorldCat member libraries worldwide
What jewelers should know about fracture filled diamonds by Gemological Institute of America ( Book )
1 edition published in 1994 in English and held by 1 WorldCat member library worldwide