Bhumannauar, B S 1 letter from B Bhumannauar to Dr Klaus Sattler, British Museum (Natural History) and [4] to Dr Michael Shaffer, British Museum (Natural History) and [1] to Dr Kevin Tuck, British Museum, (Natural History Museum). [3] letters from Dr Shaffer and [1] from Dr Tuck, 31 Oct 1988 - 7 Sep 1990