181. Letter from Mark H. McCormack to John C. Baity Creator: McCormack, Mark H.; Baity, John C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 17, 1980 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
182. Letter from Mark H. McCormack to John D. Laupheimer Creator: McCormack, Mark H.; Laupheimer, John D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 12, 1980 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
183. Letter from Mark H. McCormack to John K. O'Loughlin Creator: McCormack, Mark H.; O'Loughlin, John K. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
184. Letter from Mark H. McCormack to Jonathan Martin Creator: McCormack, Mark H.; Martin, Jonathan Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 10, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
185. Letter from Mark H. McCormack to Joseph Dey Creator: McCormack, Mark H.; Dey, Joseph C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 21, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
186. Letter from Mark H. McCormack to Kazuya Ohyama Creator: McCormack, Mark H.; Ohyama, Kazuya Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 27, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
187. Letter from Mark H. McCormack to Keith McEwen Creator: McCormack, Mark H.; McEwen, Keith Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 22, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
188. Letter from Mark H. McCormack to Lynotn Taylor Creator: McCormack, Mark H.; Taylor, Lynotn Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 25, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
189. Letter from Mark H. McCormack to Lynotn Taylor Creator: McCormack, Mark H.; Taylor, Lynotn Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 2, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
190. 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: August 30, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
191. Letter from Mark H. McCormack to Michael Bodine Creator: McCormack, Mark H.; Bodine, Mike Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 19, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
192. 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: November 20, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
193. Letter from Mark H. McCormack to Neil Vander Dussen Creator: McCormack, Mark H.; Vander Dussen, Neil Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 27, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
194. Letter from Mark H. McCormack to Paul John Creator: McCormack, Mark H.; John, Paul Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
195. Letter from Mark H. McCormack to Paul Thayer Creator: McCormack, Mark H.; Thayer, Paul, 1919-2010 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 8, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
196. Letter from Mark H. McCormack to Peter Smith Creator: McCormack, Mark H.; Smith, Peter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 3, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
197. Letter from Mark H. McCormack to Philip E. Beekman Creator: McCormack, Mark H.; Beekman, Philip E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
198. 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: July 2, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
199. Letter from Mark H. McCormack to Raymond F. Good Creator: McCormack, Mark H.; Good, Raymond F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
200. Letter from Mark H. McCormack to Reg Murphy Creator: McCormack, Mark H.; Murphy, Reg Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 13, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives