Columbia subject headings:
Anarchism--Greece--History--19th century.
Anarchism--Greece--Patra--19th century.
Anarchism--Greece--Patra--20th century.
Patra (Greece)--History--19th century.
Patra (Greece)--History--20th century.
Harvard subject headings:
Anarchism--Greece--Patra--19th century.
Anarchism--Greece--Patrai--20th century.
Patra (Greece)--History--19th century--Sources.
Patra (Greece)--History--20th century--Sources.
Patra (Greece)--Politics and government--19th century.
Patra (Greece)--Politics and government--20th century.
Patra (Greece)--Politics and government.
Pyrgos (Ēleia, Greece)--History--19th century--Sources.
Pyrgos (Ēleia, Greece)--History--20th century--Sources.
Pyrgos (Ēleia, Greece)--Politics and government.
Princeton subject headings: