Gems and GemmologyStefanos Karampelas, Lore Kiefert, Danilo Bersani, Peter Vandenabeele · First published 2020Open the Tome
Analytical ArchaeometryHowell Edwards, Peter Vandenabeele, Delphine Neff, Lore Kiefert, Margarita Alvarez · First published 2012Open the Tome
EmeraldGunther Grundmann, Rupert Hochleitner, Lore Kiefert, Karl Schmetzer, John Sinkankas, Jeff Scovil, Roberto Appiani · First published 2002Open the Tome
