81. Letter from Mark H. McCormack to H. Richard Isaacson Creator: McCormack, Mark H.; Isaacson, H. Richard 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
82. Letter from Mark H. McCormack to Harry J. McIntyre Creator: McCormack, Mark H.; McIntyre, Harry J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 8, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
83. Letter from Mark H. McCormack to Harry J. McIntyre Creator: McCormack, Mark H.; McIntyre, Harry J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 17, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
84. Letter from Mark H. McCormack to Harry McIntyre Creator: McCormack, Mark H.; McIntyre, Harry J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 15, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
85. Letter from Mark H. McCormack to Harry McIntyre Creator: McCormack, Mark H.; McIntyre, Harry J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 5, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
86. Letter from Mark H. McCormack to Harvey J. Neale Creator: McCormack, Mark H.; Neale, Harvey J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 8, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
87. Letter from Mark H. McCormack to Henry Shakespeare Creator: McCormack, Mark H.; Shakespeare, Henry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 15, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
88. Letter from Mark H. McCormack to Henry Shakespeare Creator: McCormack, Mark H.; Shakespeare, Henry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 17, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
89. Letter from Mark H. McCormack to Herb McDonald Creator: McCormack, Mark H.; McDonald, Herb Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 20, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
90. Letter from Mark H. McCormack to Herbert C. Cornuelle Creator: McCormack, Mark H.; Cornuelle, Herbert C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 4, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
91. Letter from Mark H. McCormack to Hymie Orlin Creator: McCormack, Mark H.; Orlin, Hymie Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 25, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
92. Letter from Mark H. McCormack to Iain Reid Creator: McCormack, Mark H.; Reid, Iain Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 19, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
93. Letter from Mark H. McCormack to Ian A. Ewen Creator: McCormack, Mark H.; Ewen, Ian A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 8, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
94. Letter from Mark H. McCormack to Ian Wells Creator: McCormack, Mark H.; Wells, Ian Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 15, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
95. Letter from Mark H. McCormack to Ian Wells Creator: McCormack, Mark H.; Wells, Ian Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 3, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
96. Letter from Mark H. McCormack to Ian Wells Creator: McCormack, Mark H.; Wells, Ian Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 18, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
97. Letter from Mark H. McCormack to Ian Wells Creator: McCormack, Mark H.; Wells, Ian Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 14, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
98. Letter from Mark H. McCormack to Irish European Marketing Associates Limited Creator: McCormack, Mark H.; Irish European Marketing Associates Limited Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
99. Letter from Mark H. McCormack to J. Edwin Carter Creator: McCormack, Mark H.; Carter, J. Edwin, 1915- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 4, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
100. Letter from Mark H. McCormack to Jack Fox Creator: McCormack, Mark H.; Fox, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 5, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives