SCHUBERT, FRIEDRICH THEODOR VON. Traité d'Astronomie Théorique. 10 folding engraved plates. [8], xvi, 286; [4], x, 568; [4], viii, 524 pages, including half-titles. 3 volumes. 4to, 256x214 mm, contemporary calf gilt with Signet Library arms on covers, Volume 3 front cover detached, others covers starting; minor foxing on Volume 1 opening leaves. St. Petersburg: Imprimerie de l'Académie Impériale des Sciences, 1822