[1] A Saint Petersburg University alumnus, Yablonovsky debuted as a published author in 1893, in Russkoye Bogatstvo, with the short story Posledyshi (Youngest Children) and went on to contribute to Mir Bozhy, Syn Otechestva, Rech, Nasha Zhyzn, as well as Obrazovaniye magazine where he edited the satirical Common Images (Родные картинки) section.

Much talked about was his autobiographical novel Iz gimnazicheskoy zhizni (Из гимназической жизни, A Life in Gymnasium) published originally by Mir Bozhy in 1901.

He contributed to numerous European Russian-language periodicals, including Segodnya (Riga), Rul (Berlin), Posledniye Izvestia (Tallinn), but mostly to Paris-based Vozrozhdenye newspaper and was one of the prominent members of its stuff in 1925-1934.

Specializing in political satire, Yablonovsky created the damning gallery of the Bolshevik leaders, including Lenin, Trotsky and Dzerzhinsky; exposed the Soviet diplomats' shady financial operations abroad ("Litvinov's Brother", Vozrozhdenye, 1928), protested against the extermination of the Russian clergy and (in "The Kindred Times", Родственные эпохи, Segodnya, 1928) argued that the sheer scope of atrocities committed by the Bolshevik regime made it a true heir to the bloodiest legacy of Ivan the Terrible.

Tolstoy, Sergey Esenin, Vikenty Veresayev, but mostly Maxim Gorky who's never forgiven him for that) as well some of their French colleagues (Anatole France, Henri Barbusse) infatuated with the Soviet Russia.