The essay of Sergo Gamdlishvili (1882-1910), a Georgian participant of the Gilan resistance, was published in Tbilisi in February-March of 1910. The source focuses on the Gilan resistance and provides insights and interesting details regarding the political attitudes, strategies, and collaboration of the Transcaucasian and Iranian revolutionaries from the end of 1908 through the summer of 1909. The source is also interesting material to study how the Iranian Constitutional Revolution was seen by its Caucasian participants, what they deemed to be major peculiarities of the Movement in different regions in Iran, and how they saw their role in these events.