Era
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1900-
1
1911-1949
1
1914-1918 - Causes
1
1917-1928
1
1918-
1
1918-1945
1
1919-1947
1
1929
1
1929 --
1
1929-
1
1943-
1
1945 - 1970
1
1945 -Congresses
1
1945-1962
1
1945-1989
1
1946-
1
1946-1973
1
1946-1986
1
1949
1
1949-1976
1
1950-1953 --
1
1955-1983
1
1956-
1
1961-1971
1
1971 -
1
1971-1980- History and criticism
1
1975
1
1975-
1
1976-1990
1
1981-1990 - History and criticism
1
1983
1
1989 -
1
1989 - Periodicals
1
1989-
1
1990 - Periodicals
1
1993-
1
19th century. --
1
20th century - periodicals
1
20th century-periodicals
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21st century --
1
6th cent. B.C.
1
Addresses, essays, lectures
1
Asia - Periodicals
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Colonial period, ca. 1600 - 1775
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Commerce
1
Examination questions, etc
1
Examinations, questions
1
Interpretation and construction
1
Japan
1
Methodology
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