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4,958 results
  • Spider (Unknown sp.)
  • Spider spinneret (Unknown sp.)
  • Unknown boy with injury to skull
  • Unknown location. Photograph, 1981, from a negative by John Thomson, 1866.
  • Horsefly (unknown species)
  • Mosquito (unknown species)
  • Blue Bee (unknown species)
  • Black bee (unknown species)
  • Honey bee (unknown species)
  • Jumping spider (unknown species)
  • Brown jumping spider (unknown species)
  • Brown jumping spider (unknown species)
  • Spore tubes on mushroom (unknown species)
  • General Hospital (location unknown). Coloured lithograph.
  • CT scan; brain metastases from unknown primary
  • Orange and white jumping spider (unknown species)
  • An unknown bristled organism (Aphordita(?) aculeata). Coloured etching.
  • Panel painting: portrait of King James I; artist unknown
  • "Term of an unknown Greek", bust of Hippocrates ?
  • Drawing by an unknown artist whilst in a POW camp
  • Drawing by an unknown artist whilst in a POW camp
  • Portrait of W. T. O Forssmann from an unknown French newspaper.
  • Portrait of Adolf Weil,  from a newspaper cutting of unknown origin and date.
  • Georg Sticker and an unknown companion, in front of a war memorial (?). Photograph.
  • Portrait of Sir William Cecil, first Lord of Burghley (1520-98); from the picture in the Bodleian, artist unknown.
  • On a windswept heath, three witches prophesy to an aghast Daniel O' Connell. Coloured lithograph by h.b. (unknown artist), 1843.
  • Form of bath or furnace for the treatment of insanity. From a page preserved in the Medizinische Institut, Zurich. Origin unknown.
  • Madroen plant (?Arbutus menziesii), unknown plant and wild spanish wheat: fruiting heads. Line engraving by M. Pool after C. de Bruins, 1705.
  • Surgical lectures; notes taken by an unknown student, probably at St. Bartholomew's Hospital, London. Date uncertain, probably c.1815 (paper is watermarked 1810).
  • Surgical lectures; notes taken by an unknown student, probably at St. Bartholomew's Hospital, London. Date uncertain, probably c.1815 (paper is watermarked 1810).