| Description | 1 letter from Dr Klaus Sattler, British Museum (Natural History) and1 fax to Dr Linda Pitkin, British Museum (Natural History) from Dr Gustav Elsner, Kbely, Czech Republic. 1 letter from Dr Michael Shaffer, British Museum (Natural History) to Dr Elsner. 3 letters from Dr Elsner to Dr Klaus Sattler and 1 from Dr Sattler |