National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. "Significant Earthquake Information". doi:10.7289/V5TD9V7K. Retrieved 14 March 2024.
National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. "Significant Earthquake Information". doi:10.7289/V5TD9V7K. Retrieved 14 March 2024.
Кавказский календарь на 1917 год [Caucasian calendar for 1917] (in Russian) (72nd ed.). Tiflis: Tipografiya kantselyarii Ye.I.V. na Kavkaze, kazenny dom. 1917. Archived from the original on 4 November 2021.
Кавказский календарь на 1917 год [Caucasian calendar for 1917] (in Russian) (72nd ed.). Tiflis: Tipografiya kantselyarii Ye.I.V. na Kavkaze, kazenny dom. 1917. Archived from the original on 4 November 2021.