81. Letter from Mark H. McCormack to Burt Sugarman Creator: McCormack, Mark H.; Sugarman, Burt Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 27, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
82. Letter from Mark H. McCormack to C. E. Minshull Creator: McCormack, Mark H.; Minshull, Cliff Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 22, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
83. Letter from Mark H. McCormack to C. K. W. Lewis Creator: McCormack, Mark H.; Lewis, C. K. W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 12, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
84. Letter from Mark H. McCormack to Carlisle P. Meyers Creator: McCormack, Mark H.; Meyers, Carlisle P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 23, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
85. Letter from Mark H. McCormack to Charles F. Adams Creator: McCormack, Mark H.; Adams, Charles F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 13, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
86. Letter from Mark H. McCormack to Charles F. Adams Creator: McCormack, Mark H.; Adams, Charles F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 12, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
87. Letter from Mark H. McCormack to Charles F. Adams Creator: McCormack, Mark H.; Adams, Charles F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 6, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
88. Letter from Mark H. McCormack to Charles H. Ashton Creator: McCormack, Mark H.; Ashton, Charles H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 10, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
89. Letter from Mark H. McCormack to Charles L. Foley Creator: McCormack, Mark H.; Foley, Charles L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 5, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
90. Letter from Mark H. McCormack to Charles L. Foley Creator: McCormack, Mark H.; Foley, Charles L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 5, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
91. Letter from Mark H. McCormack to Charles L. Foley Creator: McCormack, Mark H.; Foley, Charles L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 5, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
92. Letter from Mark H. McCormack to Charles W. Flynn Creator: McCormack, Mark H.; Flynn, Charles W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 1, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
93. Letter from Mark H. McCormack to Chester R. Simmons Creator: McCormack, Mark H.; Simmons, Chester R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 21, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
94. Letter from Mark H. McCormack to Chet Simmons Creator: McCormack, Mark H.; Simmons, Chester R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 14, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
95. Letter from Mark H. McCormack to Christie Hefner Creator: McCormack, Mark H.; Hefner, Christie Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 21, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
96. Letter from Mark H. McCormack to Chuck Howard Creator: McCormack, Mark H.; Howard, Chuck, 1933-1996 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 27, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
97. Letter from Mark H. McCormack to Cliff Minshull Creator: McCormack, Mark H.; Minshull, Cliff Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 1, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
98. Letter from Mark H. McCormack to Cliff Minshull Creator: McCormack, Mark H.; Minshull, Cliff Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 6, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
99. Letter from Mark H. McCormack to Cliff Minshull Creator: McCormack, Mark H.; Minshull, Cliff Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
100. Letter from Mark H. McCormack to Cliff Minshull Creator: McCormack, Mark H.; Minshull, Cliff Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 14, 1980 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives