* 938: This number covers Greek history. You'll find general works on Greek history here, but also specific periods (Ancient Greece, Byzantine Greece, etc.).
* 914.95: This number covers Greek geography and travel. You'll find information on Greek landscapes, cities, and tourism here.
* 320.938: This number covers Greek political science. This would include works on ancient Greek government, political thought, and contemporary Greek politics.
* 292: This number covers ancient religions and would include information on Greek mythology and religion.
* 880: This number covers Greek literature including ancient works like Homer's epics and modern Greek writers.
* 709.38: This number covers Greek art. You'll find information on ancient Greek architecture, sculpture, pottery, and painting here.
* 780.938: This number covers Greek music. This would include both ancient Greek music and modern Greek music.
So, depending on the specific aspect of Greek civilization you're interested in, you'll find relevant materials under different Dewey Decimal numbers.