IMPERIAL ACADEMY [ACADEMIIA NAUK], at St. Petersburg. Commentarii, St. Petersburg: 1728-51, volumes I-VIII, XIII-XIV, 4°, 171 engraved plates only, most folding (vols. VIII and XIII lacking all plates, library marks, including John Crerar stamp to verso of many plates), non-uniform binding, volume I: contemporary calf, the remaining volumes later boards (many spines lacking and covers detached); Nova acta, St. Petersburg: 1787-1801, volumes I-VI, XI-XII in 9, folding engraved plates, letterpress tables (lacking all plates in vol. XII which are supplied in facsimile in an additional volume, title to vol. I soiled, damaged and repaired, vol. IV lacking title and with heavy staining to preliminaries, vol. XII browned and with clean but severe tear to p. 423, library marks to preliminaries of each vol.), non-uniform institutional binding (page edges rubber-stamped). The lot sold not subject to return. (19)