Correspondence and papers relating to Apollo 15 European lunar sample consortia for samples 15601, 15435, 15015, and Apollo 16 60016, collected by Colin Pillinger Correspondence and administrative records relating to the work of European consortia studying Apollo 15 samples, also with records relating to the consortium for sample 60016 collected during Apollo 16. Administrative records include completed sample history information forms and documented transfers of samples between consortium members. The records cross the period in which Colin Pillinger moved from the University of Bristol to Cambridge University, and Colin refers to this directly in an undated letter to Peter [Signer]. Includes handwritten notes for a meeting held in Zurich regarding 15601, and the processing plan sent by NASA for sample 15435, analysis results on sample 15601 by Dr Alan Stephenson, University of Newcastle-upon-Tyne, a copy of the paper 'Noble gases as sensors for regolith evolution,' by P. Signer, H. Baur, H. Ducati, U. Frick, H. Funk of the Swiss Federal Institute of Technology and 'On the origin of helium, neon and argon isotopes in sieved mineral separates from an Apollo 15 soil,' by P. Signer, H. Baur, H. Ducati, U. Frick, H. Funk and D. Phinney Correspondents: Professor Geoffrey Eglinton, University of Bristol Dr Colin Trevor Pillinger, University of Bristol, Cambridge University John H. Scoon, Cambridge University Professor Dr Ludolf Schultz, Max Planck Institut fur Chemie Dr Peter Signer, Swiss Federal Institute of Technology Dr Audouin Dollfus, Paris Observatory Michael B. Duke, NASA Dr Alan Stephenson, University of Newcastle-upon-Tyne Dr R.B. Laughon, NASA 15 June 1974 - 16 May 1979