161. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack 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
162. Letter from Mark H. McCormack to James C. Letters Creator: McCormack, Mark H.; Letters, James C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 21, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
163. Letter from Mark H. McCormack to James C. Letters Creator: McCormack, Mark H.; Letters, James C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 30, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
164. Letter from Mark H. McCormack to James C. Letters Creator: McCormack, Mark H.; Letters, James C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 2, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
165. Letter from Mark H. McCormack to James F. Gaquin Jr. Creator: McCormack, Mark H.; Gaquin, James F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 29, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
166. Letter from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 24, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
167. Letter from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 4, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
168. Letter from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 17, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
169. Letter from Mark H. McCormack to Jesse Rheinhart Creator: McCormack, Mark H.; Rheinhart, Jesse Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 22, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
170. Letter from Mark H. McCormack to Jim Davidson Creator: McCormack, Mark H.; Davidson, Jim 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
171. Letter from Mark H. McCormack to Joan D. Wattenberg Creator: McCormack, Mark H.; Wattenberg, Joan D. 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
172. Letter from Mark H. McCormack to John Letters Creator: McCormack, Mark H.; Letters, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 13, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
173. Letter from Mark H. McCormack to John R. Grierson Creator: McCormack, Mark H.; Grierson, John R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 7, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
174. Letter from Mark H. McCormack to John W. McGrath Creator: McCormack, Mark H.; McGrath, John W. 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
175. Letter from Mark H. McCormack to John Wilcox Creator: McCormack, Mark H.; Wilcox, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 1, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
176. Letter from Mark H. McCormack to John Wilcox Creator: McCormack, Mark H.; Wilcox, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 4, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
177. Letter from Mark H. McCormack to John Wilcox Creator: McCormack, Mark H.; Wilcox, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 19, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
178. Letter from Mark H. McCormack to John Wilcox Creator: McCormack, Mark H.; Wilcox, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 31, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
179. Letter from Mark H. McCormack to Joseph C. Dey Creator: McCormack, Mark H.; Dey, Joseph C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 14, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
180. Letter from Mark H. McCormack to Kenneth Wagg Creator: McCormack, Mark H.; Wagg, Kenneth Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 25, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives