Alphabetical Index of Correspondence
| Number | Description |
| [1] | Correspondence and Other Papers Relating to General Mycological Research, 1945-1986 |
| [2] | Correspondence and Other Paper Relating to International Mycological Field Work, 1945-1986 |
| [3] | Correspondence and Other Papers relating to Mycological and Etymological Investigations, 1936, 1945-1985 |
| [4] | Correspondence and Other Papers Relating to Publishing and Publishing Activities, 1950-1985 |
| [5] | Correspondence and Other Papers Relating to General Interests, 1930-1931, 1942-1968 |
| [6] | Correspondence and Other Papers Relating to Gifts and Gift of the Wasson Library to Harvard University, 1960-1986 |
| [7] | Translations of Printed and Audio Materials, 1958-1971 |
M
[2] Machek, V. [Slavic] 1958-1963
[1] MacIver, Robert M. 1957-1963
[1] Mackall, Henry C. 1966
[1] Madsen, William 1974
[1] Maersk Moller Steamship Line - Moller, A. 1963-1964
[1] Majno, Guido 1968
[4] Mardersteig, Giovanni 1950-1978 & Printed Holiday Cards
[4] Mardersteig - Mycolatry 1977-1981
[4] Mardersteig - Velada 1971-1977
[4] Mardersteig, M. 1985
[1] Margaine, F. 1960
[1] Margot, Pierre 1981
[1] Marks, John D. 1978
[1] Marques, Luiz & Lowndes, Mrs. Belloc 1946-1981
[1] Marraro, Howard R. 1955
[1] Martin, G.W. 1959-1963
[1] Martinet, Andre 1950-1960
[2] Martinez Cid, Erasto [Mexico] 1955-1956
[2] Martinez Cid, Herlinda [Mexico] 1948-1981
[5] Marx, Karl
[1] Mason, L. R. 1951
[2] Matsuda, Ichiro [Japan] 1964-1971
[4] Mauritshuis Museum, The Hague [Art Institutions] 1951
[2] Maximov, S.V. [Slavic]
[2] Maydell, B. Gerhard [Siberia]
[1] Mayer, Karl-Herbert 1975-1983
[3] Mayrhofer, Manfred 1975
[3] McCawley, Elton L. 1963
[4] McGraw-Hill Book Company 1908
[2] McIntosh, John [Mexico-SIL] 1956-1962
[3] McKenney, Kenneth 1958-1962
[1] McLaren, Lynn 1979
[2] Mei, Y.T.? [China] 1950
[1] Mellaart 1967-1968
[1] Mellinkoff, Ruth 1972
[3] de Menasce, Le Pere J.P. 1969
[2] Mendoza, H. Abel [Mexico] 1957
[1] Mengees, Karl 1946-1962
[2] Menges, Karl H. [Slavic] 1955
[2] Mengin, Ernst [Mexico] 1953-1954
[1] Merker, Bjorn 1971-1983
[1] Merker, Bjorn, Pakistan report, 1973
[2] Merlin, Mark D. [India] Hawaii 1969
[2] Mesas Redondas [Mexico] 1981
[1] Mespilus - Medlar Tree 1982
[1] Meulen, H. Ter 1955
[1] Millen, Henry A. 1960
[2] Miller, Prof. Barbara Stoler [India] 1976
[2] Miller, Walter [Mexico-SIL] 1954-1968
[1] Milwaukee Public Museum
[1] Minter, Dave - Commonwealth Mycological Institute 1985
[1] Miscellaneous - Unidentified Letter and Items
[2] Mitchell, Charles H. [Japan] 1966
[2] Moreno, Gilberto Jimenez [Mexico] 1953
[1] Morgan Guaranty Trust 1978
[1] Morgenstierne, Charles 1962
[1] Morgenstierne, Georg 1952-1982
[1] Morley, Frank 1983
[1] Morris, Desmond (Ilsley Ingram) 1962
[2] Morris, Ivan [Japan] 1963
[1] Morriseau, Norval 1979
[1] Moszynski, Kazimierz 1958
[1] Muench, Eugene V. 1958-1968
[1] Muller, Andre J. 1977
[2] Munkacsi, Bernat [Siberia]
[4] Munn, Henry [Maria Sabina] 1971-1979 & PLURAL
[1] Munoz Rojas, Don Jose 1971-1975
[4] Munz, Ludwig [Art] 1954-1970
[1] Murray, Margaret Alice 1950-1955
[4] Musee et Institut d'Ethnographie [Art Institutions]1956-1961
[4] Musee Ethnographique Basle [Art Institutions]1964
[4] Museo del Prado, Madrid [Art Institutions] 1953-1954
[4] Museum des Beaux Arts, Strasbourg [Art Institutions] 1952
[1] Museum National D'Histoire Naturelle 1976-1980
[4] Museum of Fine Arts, Boston [Art Institutions]1964-1965
[4] Museum Royaux de Beaux-Arts de Belgique [Art Institutions] 1951-1957
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