Dionis Du Séjour, Achille Pierre. 1734-1790. **E, 189.6 Essai sur les cométes en général . . . Paris. Valade. 1775. (3), xxiv, 364 pp. Diagrams. 8°.
[This work is kept on the Special Libraries Floor.]
 
This card was printed at the Boston Public Library, January 28, 1909. G8920 — Astronomy. — Comets.