[Dissertations] De Annulo Saturno.

Commentatus Est Elto Martens Beima. Leiden. S. & J. Luchtmans. 1842. 4to, blue paper cover, 252 pp., var. figures and tables in the text; at the end of IV folding plates; the cover partly loose, partly uncut. Important dissertation on Saturn's movements.

With another nine 19th-century dissertations, 2 of which double, all in 4to and in fair condition + Disputatio Theologica Inauguralis de Tois Adelfois et Tais Adelfais Toy Kyrioy, quam annuente summo numine (...) publico ac solemni examini submittit Abraham Hermanus Blom. Leiden. S. & J. Luchtmans. 1839. 8vo, half leather, title on spine in gilt stamping, sticker, (4),203 pp. + Geschiedenis der Leidsche Hoogeschool, van hare oprigting in den jare 1575, tot het jaar 1825. Matthijs Siegenbeek. Leiden S. & J. Luchtmans, 2 volumes, half cloth, title on spine in gilt stamping, uniformly bound, (12),448; (2),473 pp. (total 13).