... "Pros and cons"

Shilkin, Dmitry Sergeevich... "For" and "against": ("Russian future" from 5, 11th and 26 March 1916) / D.S.Dmitrovsky and c.MM.Perovsky-Petrovo-Solovovo.- Petrograd: Type."J.-D. ed.", 1916. - [2], 36 p.;17. -AutoInstalled by Ed.: Masanov I.F.Dictionary of pseudonyms ... M., 1956. T. 1. P. 343..I. Peprovsky-Petrovo-Solovovo, MM. II.Dmitrovsky, D.S. III.Petrovo-Solovovo, MM .. IV.Solovovo, MM ..Electronic Source: PB