Bradt, H.V. and Moore, G. and Braes, L.L.E. and Miley, G.K. and Forman, W. and Kellogg, E. and Hesser, J.E. and Kunkel, W.E. and Hiltner, W.A. and Hjellming, R. and Pel, J.W. and Thomas, J. and vanden Bout, P. and Wade, C. and Warner, B.
Bradt, H. and Baldwin, J. and Feigelson, E. and Geldzahler, B. and Madejski, G. and Massey, J. and McClintock, J.E. and McHardy, I. and McMahan, R. and Ohashi, T. and Remillard, R. and Romanishin, W. and Salter, C. and Schaefer, B. and Schwartz, D. and Tapia, S. and Thorstensen, J. and Urry, C.M. and Wehinger, P. and Wilson, A. and Wyckoff, S.