Correspondence with M. and L. Pfeiffer, E.S. Phelps, H. Philos, G. Pinkham, J.B. Pinsen, M. Priore, S.H. Pirie, R. Pitofsky, J.C. Pittinger, W.T. Pizzi, O. Plaat, S.J. Plager, J. Plaskoff, V.V. Pohorelsky, E.M. Poler, A. Mitchell Polinsky, J.G. Pope, L.V. Porter, B.M. Portnoy, R.A. Posner, A. Powell, E.S. Prager, W. Probert, P.V. Elmstrom of Professional Seminar Consultants Inc., J.E. Puchner, M.E. Puff, G.W. Pugh, A.K. Pye, E.L. Quarantelli, Quinlan, R.L. Rabin, J. Raisian, J.H. Raleigh, A. Ramirez, J. Ramirez, M. Ramseyer, Rand Corporation, R. Edwards, R. Rank, J. Rankin, J. Rawls, E.G. Re, R. Reagan, P. C. Reardon, W.L.M. Reese, H. Regnery, G.S. Rehnert, J.R. Reidenberg, M.V. Reimann, S. Reina, R. Reisner, M.J. Remington, J. Resnik, T. Reynolds, K. Redden, C.W. Reynolds

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