Mattei's electro-homeopathic treatments, Bologna, Italy, 1871-1885
1871-1885
1871-1885
circa 1995-2001
1901-1960
1950-1955
1851-1910
1955-1965
1802
1857
1798
1802
1800-1820
1650-1800
1802
1940-1950
1802
1802
1983
1982
1851-1900
1802
1927
1802
1941