81. Letter from Mark H. McCormack to Keith R. Mackenzie Creator: McCormack, Mark H.; MacKenzie, Keith Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 8, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
82. Letter from Mark H. McCormack to Lawrence Hughes Creator: McCormack, Mark H.; Hughes, Lawrence Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 30, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
83. Letter from Mark H. McCormack to Lynton Taylor Creator: McCormack, Mark H.; Taylor, Lynton Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 15, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
84. Letter from Mark H. McCormack to Lynton Taylor Creator: McCormack, Mark H.; Taylor, Lynton Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 7, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
85. Letter from Mark H. McCormack to Marc Hodler Creator: McCormack, Mark H.; Hodler, Marc Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 23, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
86. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 9, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
87. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
88. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
89. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
90. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
91. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 6, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
92. Letter from Mark H. McCormack to Neil Papiano Creator: McCormack, Mark H.; Papiano, Neil Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 19, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
93. Letter from Mark H. McCormack to Peter Alliss Creator: McCormack, Mark H.; Alliss, Peter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 25, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
94. Letter from Mark H. McCormack to Peter Alliss Creator: McCormack, Mark H.; Alliss, Peter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 18, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
95. Letter from Mark H. McCormack to Peter Alliss Creator: McCormack, Mark H.; Alliss, Peter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 20, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
96. Letter from Mark H. McCormack to Putnam Pierman Creator: McCormack, Mark H.; Pierman, Putnam Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 6, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
97. Letter from Mark H. McCormack to R. A. Ablondi Creator: McCormack, Mark H.; Ablondi, Raymond A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 26, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
98. Letter from Mark H. McCormack to Ralph F. Lafferty Creator: McCormack, Mark H.; Lafferty, Ralph F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 18, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
99. Letter from Mark H. McCormack to Ralph Garrard Creator: McCormack, Mark H.; Garrard, Ralph Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 14, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
100. Letter from Mark H. McCormack to Rex Evans Creator: McCormack, Mark H.; Evans, Rex B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 27, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives