Since 1917 in Yelets and then in Zadonsk his work was connected with newspapers. Nikolay Alekseevich was an editor of the district newspaper, staff correspondent of the Voronezh Provincial Newspapers. His literary path Zadonsky began as a playwright in 1919. In the 1930s Zadonsky created plays, some of them were presented on the stages in Moscow, Leningrad, Voronezh. Since 1935 he had been a professional writer. During the Great Patriotic War he lived in Ulyanovsk, Kuibyshev.
Nikolay Alekseevich is the author of several collections of historical sketches and memoirs.