On the written intercourse in Russia

Author	Кеппен Петр Иванович
Description	Keppen, Peter Ivanovich (1793-1864). On the written intercourse in Russia: Chit. in the meeting of the Imp. Acad. Sciences May 31, 1841 / [Com.] Peter Keppen. - St. Petersburg: type. Imp. Acad. Sciences, 1841. -42 p. ; 24. - . Source of electronic copy: RSL Location of original storage: Priblot to S 9/332; W 65/178; U 283/249
Publisher	тип. Имп. Акад. наук