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 |
O
[1] Objiways II 1973-1976
[2] Obolensky, Alexis [Siberia] 1966
[1] O'Dea, W.T. - Agaric (from Rees' Cyclopedia, 1819 photo) 1952
[2] Odman, Samuel [Vikings] 1966
[2] O'Flaherty, Wendy Doniger [India] Gudwin, Wendy 1961-1963
[2] O'Flaherty, Wendy Doniger [India] 1962-1984
[2] Ohlmarks, Ake [Siberia]
[1] Oliver, Barry J. 1974
[2] Omachi, Chiyo [Japan] 1951-1982
[2] Omachi [Japan] Mayer folklore 1956-1982
[1] Ongaro, Alberto 1973
[1] O'Prey, Paul 1984
[1] Origo, Marquesa 1957
[2] Ortega, Don Francisco and Thomas MacDougall [Mexico] 1955-1974
[1] Osmond, Humphry 1956-1969
[1] Ott, Jonathan 1974-1985
P
[2] Pai, Teh-Chao [China]
[2] Pallas, P.S. [Siberia] 1968
[1] Palmer, J.T. 1958-1959
[4] Panofsky, Erwin [Art] 1950-1960
[3] Papashvily, George [Caviar] 1945-1949
[5] Paragellis, Stanley 1944
[5] Partridge, Eric 1948
[2] Patkanov, S. [Siberia]
[2] Payak, M.M. [India] BAGH (Buddhist Caves) 1964-1967
[2] Payak, M.M. [India] 1968-1984
[1] Paz, Octavio 1975-1980
[1] Peabody Museum of Natural History, Yale 1965-1967
[2] Pease, Arthur Stanley [Greek] 1956
[1] Peterson, Roger T. 1957-1963
[1] Pierpont Morgan Library 1968-1971
[4] Pierpont Morgan Library [Art Institutions] 1953-1984
[1] Piggott, Stuart 1964-1970
[2] Pike, Eunice [Mexico-SIL] 1953-1977
[2] Pike, Eunice [Mexico-SIL] "Mazatec," n.d.
[3] Pilat, Albert 1970-1971
[1] Pilkington, Walter 1957
[1] Pilpel, H.F. and Harris, J.M. 1978-1980
[1] Piptadenta Peregrina
[1] Platina 1970
[1] Pliny
[1] Plowman, Timothy 1972
[1] Poison 1948-1952
[1] Pokorny, Alois 1971
[1] Pollock, Steven Hayden 1974-1975
[1] Poluzzi, Carlo 1967-1978
[1] Pomerleau, R. 1981
[4] Pommersfelder [Art Institutions] 1951
[2] Poole, D.G. [Mexico-SIL] 1962-1963
[1] Porada, Edith [Morgan Library] Cylinder seal 1979
[1] Porphyry 1956-1957
[5] Pozzo, F.I. [Hudson] 1936-1948
[1] Puharich, Henry K. 1955-1961
[1] Puhvel, Jaan
[3] Puhvel, Jaan [Soma Theory] 1970
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