d'angelico	more precise information in :Acquired of the Angels(scarecrow press)
#number	year
1002-1073	1932-1934
1169-1456	1936-1939
1457-1831	1940-1949
1832-1849	1950
1850-2098	1950-1959
2099--2122	1960
2123	1961
2124-2164	not known