| Description | 21 letters to Dr Michael Shaffer, British Museum (Natural History) from Dr Peter Maddison, Department of Scientific and Industrial Research, Auckland, New Zealand and 12 from Dr Shaffer. 5 letters including 1 receipt to Dr Gaden Robinson, British Museum (Natural History) and 2 from Dr Robinson. 1 letter to J S Dugdale, British Museum (Natural History) and 1 from J S Dugdale |