20th century 82
21st century 27
-632 21
632- 7
d. 632 6
d.632 4
Early works to 1800 3
1058-1111 2
1906-1949 2
1945- 2
628 2
Handbooks 2
d632 2
.1856-1908 1
1165-1240 1
1262-1328 1
1263-1328` 1
1563-1624 1
16th century 1
1702 or 3-1762 or 3 1
1838-1969 1
1906-1966 1
1914-1943 1
1917-1948 1
1926 1
1928-1999 1
1950- 1
1966-1998 1
1967- 1
1971- 1
1975 1
1976- 1
1993-2013 1
1995- 1
19th century 1
20th centrury 1
20th century aspects 1
20th society 1
622-661 1
632 1
661-750 1
873-935 1
Early works to 1990 1
d. 1030 1