|Citation=Burnett, A. (2005), "John Evelyn (1620-1706) and Obadiah Walker (1616-1699): their significance for numismatics", in Chr. Dekesel and Th. Stäcker (eds.), Europäische numismatische Literatur im 17. Jahrhundert, Wiesbaden, pp. 47-57. | |Citation=Burnett, A. (2005), "John Evelyn (1620-1706) and Obadiah Walker (1616-1699): their significance for numismatics", in Chr. Dekesel and Th. Stäcker (eds.), Europäische numismatische Literatur im 17. Jahrhundert, Wiesbaden, pp. 47-57. |