ROEMER, Johann Jacob. Genera Insectorum Linnaei et Fabricii iconibus illustrata, Winterthur: H. Steiner, 1789, 4°, engraved title vignette, 37 engraved plates, 19th-century half morocco (worn, lacking backstrip) [Nissen ZBI 3462] Provenance: Berlin Collection -- Carl CLERCK (1709-1765). Svenska Spindlar, Stockholm: L. Salvius, 1757, 4°, engraved vignette, 6 folding hand-coloured engraved plates (perforation stamp on title, text browned), contemporary sheep (rubbed, upper cover detatched) [Nissen ZBI 916] Provenance: Berlin Collection -- Johann Caspar FUESSLY. Verzeichniss der ihm bekannten Schweitzerischen Inseckten, Zurich & Winterthur: Steiner, 1775, 4°, one hand-coloured engraved plate (? lacking 6 wood-engravings, perforation stamp on title, ink stamp on recto of plate, text browned), later sheep-backed boards (covers detatched) [Nissen ZBI 1456] Provenance: JCL -- Vincent KOLLAR. Monographia Chlamydum, Vienna: J.G. Heubner, 1824, 2°, 2 hand-coloured plates and 2 uncoloured duplicates (perforation stamp on title, ink stamp on recto of plates), original printed boards (lacking backstrip, torn at corners with loss) [Nissen ZBI 2287] Provenance: Berlin Collection; and 2 other works on insects (imperfect). (6)