Kỷ nguyên
20th century
467
20th century,Thế kỷ 20
268
19th century
98
20th century,20th century
88
21st century
37
21st century,Thế kỷ 21
33
19th century,19th century
29
Thế kỷ 20,20th century
25
20th century,20th century,Thế kỷ 20,Thế kỷ 20
19
19th century,Thế kỷ 19
12
21st century,21st century,Thế kỷ 21,Thế kỷ 21
12
18th century
11
20th Century
9
21th century,Thế kỷ 21
9
18th century,Thế kỷ 18
8
19th century,19th century,Thế kỷ 19,Thế kỷ 19
8
20th century,Thế kỷ 20,20th century,Thế kỷ 20
7
17th century
6
20th century,20th century,Thế kỷ 20
6
Thế kỷ 19,19th century
6
20 century,Thế kỷ 20
4
21st century,21st century
4
21th century
4
History and criticism
4
Thế kỷ 20
4
15th century,Thế kỷ 15
3
1920-1989,20th century
3
1954-1975
3
20th century,1924-2003,Thế kỷ 20
3
20th century,Thế kỷ 21
3
20th century,thế kỷ 20
3
Civil War, 1861-1865
3
Colonial period, ca. 1600-1775
3
Juvenile literature
3
Lịch sử và phê bình
3
Thế kỷ 19
3
Thế kỷ 21
3
Thế kỷ 21,21st century
3
15th century
2
15th century,15th century
2
18th century,Thế kỉ XVIII,19th century,Thế kỉ XIX
2
1920-2002,20th century
2
1943 - 2003,20th century,Thế kỷ 20
2
19th century,19th century,19th century,Thế kỷ 19
2
19th century,20th century
2
20 century
2
20 th century
2
20th centurry
2
20th century (vietnamese)
2
20th century,Thế kỷ 20,Thế kỷ 20,20th century
2
hơn ...