101. Letter from Mark H. McCormack to Don Greer Creator: McCormack, Mark H.; Greer, Donald Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 26, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
102. Letter from Mark H. McCormack to Doris Simms Creator: McCormack, Mark H.; Simms, Doris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 2, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
103. Letter from Mark H. McCormack to Dugan Aycock Creator: McCormack, Mark H.; Aycock, Dugan Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 18, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
104. Letter from Mark H. McCormack to E. E. Fannin Creator: McCormack, Mark H.; Fannin, E. E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 3, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
105. Letter from Mark H. McCormack to Ed Carter Creator: McCormack, Mark H.; Carter, Ed Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 12, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
106. Letter from Mark H. McCormack to Edwin G. Richter Creator: McCormack, Mark H.; Richter, Edwin G. 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 Edwin G. Richter Jr. Creator: McCormack, Mark H.; Richter, Edwin G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 4, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
108. Letter from Mark H. McCormack to Eustace E. Fannin Creator: McCormack, Mark H.; Fannin, Eustace E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 31, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
109. Letter from Mark H. McCormack to Eustace E. Fannin Creator: McCormack, Mark H.; Fannin, Eustace E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 9, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
110. Letter from Mark H. McCormack to F. A. Demarco Creator: McCormack, Mark H.; Demarco, F. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 20, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
111. Letter from Mark H. McCormack to F. L. Tyler Creator: McCormack, Mark H.; Tyler, Watt Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 10, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
112. Letter from Mark H. McCormack to F. L. Tyler Creator: McCormack, Mark H.; Tyler, F. L. 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
113. Letter from Mark H. McCormack to F. W. Heckel Creator: McCormack, Mark H.; Heckel, Frederick W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 29, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
114. Letter from Mark H. McCormack to Frank Abramoff Creator: McCormack, Mark H.; Abramoff, Frank Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 2, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
115. Letter from Mark H. McCormack to Frank Adams Creator: McCormack, Mark H.; Adams, Frank Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
116. Letter from Mark H. McCormack to Fred Corcoran Creator: McCormack, Mark H.; Corcoran, Fred Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 7, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
117. Letter from Mark H. McCormack to Gaetan Mourgue d'Algue Creator: McCormack, Mark H.; d'Algue, Gaetan Mourgue Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 15, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
118. Letter from Mark H. McCormack to Gary Player Creator: McCormack, Mark H.; Player, Gary Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 10, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
119. Letter from Mark H. McCormack to Gary Player Creator: McCormack, Mark H.; Player, Gary Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 15, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
120. Letter from Mark H. McCormack to Gary Player Creator: McCormack, Mark H.; Player, Gary 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