Columbia subject headings:
Astronomy, Ancient.
Calendar--Russia (Federation)--Dagestan.
Dagestan (Russia)--Antiquities.
Petroglyphs--Russia (Federation)--Dagestan.
Harvard subject headings:
Astronomy, Ancient
Calendar--Russia (Federation)--Dagestan.
Dagestan (Russia)--Antiquities.
Petroglyphs--Russia (Federation)--Dagestan.
Princeton subject headings: