| Description | 2 letters from Dr John Lawton, University of York, York, United Kingdom to Dr Michael Shaffer, British Museum (Natural History) and 1 from Dr Shaffer. 6 letters from Dr Gaden Robinson, British Museum (Natural History) and 11 from Dr Lawton. 1 letter to Dr J A Powell, University of California, Berkeley, California, U.S.A. 3 letters from Dr Klaus Sattler, British Museum (Natural History) and 2 from Dr Lawton. 1 letter to Dr Paul Whalley, British Museum (Natural History) |