"Svenskt silversmide", Nordiska Museets förlag, 2000.
"tennstämplar", Norstedts 1991.
"Guldsmedebogen", Teknologisk insituts forlag 1948.
"Ullstein Juwelenbuch", Ullstein 1972.
"Svenskt silver", Forum 1960.
"En gammal guldsmed berättar", Wahlström & Widstrand1941.
"Guide to gold amrks of the world", Tiger books, 1998.
"Guldstämplar", Norstedts 1978.
"Silverstämplar" Bokförlaget plus, 1979.
"Guld och ädla stenar", 1943.
"Modern Swedish silver" Lindqvist 1951.
"Phaidon guide to Silver, 1978.
"The story of pearls" Japan publications 1970.
"The book of old silver" Crown publishers 1963.
Wear commensurate with age and use. Not thoroughly examined.