1. A History of Anaesthesia through Postage Stamps;McKenzie,2000
2. Iconography in anesthesiology. The importance of Society Seals in the 1920s and 1930s;Bacon;Anesthesiology,1996
3. Anaesthesia and heraldry;Milicchio,2001
4. Medicina in Nummis;Faludi,1929
5. Storer Horatio Robinson: medicina in nummis;Storer,1931