WEIDMANN, JOHANN PETER. De necrosi ossium. 15 engraved plates. [6], 60 pages * WENZEL, CARL. Über die Krankheiten am Rückgrathe. 8 etched plates. xxiv, 460 pages. Together, 2 volumes. Folio, Weidmann 439x285 mm in contemporary 1/2 sheep, spine imperfect, scattered foxing lightly affecting plates, Rush Medical College Library stamp on title, ink accession number on verso; Wenzel 414x288 mm in modern boards, marginal foxing throughout, dampstaining on plates and in lower inner corner of opening leaves, clean tear across title repaired on verso. Frankfurt am Main: impensis Andreaeis, 1793; Bamberg: Wilhelm Ludwig Wesché, 1824