Correspondents include:
McBean, A.
MacGregor, R.H.
McCollom, W.G. (Western Reserve University, USA)
Mackay, L.A.
MacLiammoir, M. (Dublin Gate Theatre Productions Ltd.)
McManaway, J.G. (Shakespeare Association of America, Inc.)
MacMillan Co. Publishers (USA)
McNeal, T.H. (University of Alabama, USA)
McPeek, J.A.S. (University of Connecticut, USA)
Madariaga, S. de
Maddermarket Theatre Trust Ltd.
Mander, R. (Raymond Mander and Joe Mitchenson Theatre Collection)
Mahood, M.M. (University College, Ibadan, Nigeria)
Marder, L. (Kent State University, USA)
Marendaz, D.M.K.
Marin, L.A. (Sociedad Cervantina)
Marsh, N. (this is the author Ngaio Marsh)
Marshall, H. (Advision Films)
Master, A.J.R. (Kenya Cultural Centre)
Maxwell, J.C. (University of Durham)
Maxwell, W.S.
May, F. (University of Leeds)
Megaw, A.S.
Melchiori, G. (Universita di Torino, Italy)
Mendonca, B.H.C. de
Mein, S.
Messner, J. Inc. Publishers
Metzger, Lia
Methuen and Co. Ltd.
Merbach, P.A.
Metin And (Turkey)
Metcalf, E.G.
Michael, R. (Wellesley College, USA)
Mincoff, M. (University of Sofia, Bulgraria)
Mintz, N.B.
Mithal, H. (Government College, India)
Modern Language Association of America
Modern Language Quarterly (University of Washington, USA)
Modern Philology (University of Chicago and Northwestern University, USA)
Monck, W.N. (Maddermarket Theatre)
Money, J. (Festival Company and British Council)
Montgomerie, W.
Moore, O.H. (Ohio State University, USA)
Morris, I. (University of British Columbia, Canada)
Muller, L. (Chancery of the Brazilian Embassy)
Mustanoja, T.F.