| Civilization, Modern -- 20th century. Matches 34 items |
| Civilization, Modern -- 20th century -- Congresses. Matches 1 item |
| Civilization, Modern -- 20th century -- Dictionaries. Matches 1 item |
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Civilization, Modern -- 20th century -- English influences. SEE: Civilization, Modern -- English influences Matches 1 item
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| Civilization, Modern -- 20th century -- Philosophy. Matches 1 item |
| Civilization, Modern -- 20th century -- Poetry. Matches 1 item |
| Civilization, Modern -- 20th century -- Psychological aspects. Matches 2 items |
| Civilization, Modern -- 20th century -- Sources. Matches 2 items |
| Civilization, Modern -- 21st century. Matches 14 items |
| Civilization, Modern -- 21st century -- Chronology. Matches 1 item |