981. Letter from Mark H. McCormack to David Gilmore Creator: McCormack, Mark H.; Gilmore, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 12, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
982. Letter from Mark H. McCormack to David Gilmour Creator: McCormack, Mark H.; Gilmour, David, 1931- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 3, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
983. Letter from Mark H. McCormack to David Gilmour Creator: McCormack, Mark H.; Gilmour, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 9, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
984. Letter from Mark H. McCormack to David Graham Creator: McCormack, Mark H.; Graham, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 17, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
985. Letter from Mark H. McCormack to David H. Gilmour Creator: McCormack, Mark H.; Gilmour, David, 1931- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 25, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
986. Letter from Mark H. McCormack to David J. Curtin Creator: McCormack, Mark H.; Curtin, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 27, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
987. Letter from Mark H. McCormack to David J. Mahoney Creator: McCormack, Mark H.; Mahoney, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 21, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
988. Letter from Mark H. McCormack to David J. Mahoney Creator: McCormack, Mark H.; Mahoney, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 11, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
989. Letter from Mark H. McCormack to David J. Mahoney Creator: McCormack, Mark H.; Mahoney, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 11, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
990. Letter from Mark H. McCormack to David J. Mahoney Creator: McCormack, Mark H.; Mahoney, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 13, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
991. Letter from Mark H. McCormack to David J. Sealey Creator: McCormack, Mark H.; Person, Curtis Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 10, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
992. Letter from Mark H. McCormack to David J. Sealey Creator: McCormack, Mark H.; Sealey, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 21, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
993. Letter from Mark H. McCormack to David J. Sealey Creator: McCormack, Mark H.; Sealey, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 26, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
994. Letter from Mark H. McCormack to David J. Sealey Creator: McCormack, Mark H.; Sealey, David J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 21, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
995. Letter from Mark H. McCormack to David Jaynes Creator: McCormack, Mark H.; Jaynes, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 8, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
996. Letter from Mark H. McCormack to David M. Baker Creator: McCormack, Mark H.; Baker, David M. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 8, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
997. Letter from Mark H. McCormack to David Markin Creator: McCormack, Mark H.; Markin, David R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 16, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
998. Letter from Mark H. McCormack to David Marr Creator: McCormack, Mark H.; Marr, Dave Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 31, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
999. Letter from Mark H. McCormack to David Marsh Creator: McCormack, Mark H.; Marsh, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 29, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
1000. Letter from Mark H. McCormack to David P. Biehn Creator: McCormack, Mark H.; Biehn, David P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 14, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives