HELVETIUS, Johann Friedrich (1629 or 30-1709). Microscopium physiognomiae medicum, id est, tractatus de physiognomia, Amsterdam: apud Janssonio-Waesbergios, 1676, small 8°, first Latin edition, 9 engraved portraits (one shaved), one folding table, contemporary calf gilt (head and foot of spine lacking, joints cracked). [Krivatsy 5459; Wellcome III, p. 244 (lacking portraits); Waller 4317 (calling for 8 portraits)] Provenance: Robert Sonnenschein (bookplate and signature); JCL -- Giovanni Battista PORTA (1535-1615). De humana physiognomonia ... libri IV, Oberursel: C. Sutor for I. Rofa, 1601, 8°, title printed in red and black, 2 woodcut portraits, woodcut illustrations (heavily browned throughout), contemporary limp vellum (lacking ties). [Krivatsy 9181; cf. GM 150 (first edition, 1586)] (2)