3 books • 2 series
Wismut (Gmelin Handbook of Inorganic and Organometallic Chemistry -, B-I / 0)
Platin (Gmelin Handbook of Inorganic and Organometallic Chemistry -, P-T / C /)
Gold (Gmelin Handbook of Inorganic and Organometallic Chemistry -, A-U / 1-3)