CHAPMAN, Edmund (1680?-1756). Abhandlung zu Verbesserung der Hebammen-Kunst, Copenhagen: F. C. Mumme, 1748, 8°, title printed in red and black, 2 engraved plates (rust hole through title, plates shaved and with stamp on verso showing through to recto, browned), modern library cloth [Waller 1898; cf. GM 6156.2 (first published in England in 1733 and again in 1735 with plates, this is the first published account of the use of forceps) -- William DEASE (ca. 1752-1798). Bemerkungen über die Entbindungskunst in langwierigen und schweren Geburten, translated by C. F. Michaelis, Zittau & Leipzig: J. D. Schöps, 1788, 8°, one folding engraved plate (browned), contemporary calf (rubbed). [Blake p.110 (German translation of Observations in Midwifery, Dublin, 1783)] Provenance (both works): Ahlfeld Library. Together with 7 other volumes on midwifery, translated into German. (10)