101. Letter from Mark H. McCormack to Kerry Packer Creator: McCormack, Mark H.; Packer, Kerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 8, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
102. Letter from Mark H. McCormack to Larry Playfair Creator: McCormack, Mark H.; Playfair, Larry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
103. Letter from Mark H. McCormack to Leonard Crawley Creator: McCormack, Mark H.; Crawley, Leonard, 1903-1981 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 7, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
104. Letter from Mark H. McCormack to Leonard Regan Creator: McCormack, Mark H.; Regan, Leonard Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 10, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
105. Letter from Mark H. McCormack to Michael Attenborough Creator: McCormack, Mark H.; Attenborough, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 6, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
106. Letter from Mark H. McCormack to Michael Attenborough Creator: McCormack, Mark H.; Attenborough, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 8, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
107. Letter from Mark H. McCormack to Michael Hewitt Creator: McCormack, Mark H.; Hewitt, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 14, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
108. Letter from Mark H. McCormack to Michael Smith Creator: McCormack, Mark H.; Smith, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 9, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
109. Letter from Mark H. McCormack to Mr. and Mrs. Robert Torrence Creator: McCormack, Mark H.; Torrence, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 26, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
110. Letter from Mark H. McCormack to Murray Barnes Creator: McCormack, Mark H.; Barnes, Murray Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 11, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
111. Letter from Mark H. McCormack to Owen Williams Creator: McCormack, Mark H.; Williams, Owen G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 28, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
112. Letter from Mark H. McCormack to Patrick C. Ross Creator: McCormack, Mark H.; Ross, Patrick C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 13, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
113. Letter from Mark H. McCormack to Patrick G. Duffeler Creator: McCormack, Mark H.; Duffeler, Patrick G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 28, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
114. Letter from Mark H. McCormack to Patrick G. Duffeler Creator: McCormack, Mark H.; Duffeler, Patrick G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 29, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
115. Letter from Mark H. McCormack to Patrick Heiniger Creator: McCormack, Mark H.; Heiniger, Patrick Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 6, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
116. Letter from Mark H. McCormack to Peter Ryde Creator: McCormack, Mark H.; Ryde, Peter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 7, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
117. Letter from Mark H. McCormack to Rafael Tudela Creator: McCormack, Mark H.; Tudela, Rafael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 9, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
118. Letter from Mark H. McCormack to Ray Ablondi Creator: McCormack, Mark H.; Ablondi, Raymond A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 11, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
119. Letter from Mark H. McCormack to Ray Cave Creator: McCormack, Mark H.; Cave, Ray, 1929- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 23, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
120. Letter from Mark H. McCormack to Ray Cave Creator: McCormack, Mark H.; Cave, Ray, 1929- 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