181. Letter from Mark H. McCormack to John Jacobs Creator: McCormack, Mark H.; Jacobs, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
182. Letter from Mark H. McCormack to John P. Frazee Creator: McCormack, Mark H.; Frazee, John P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 5, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
183. Letter from Mark H. McCormack to John P. Frazee Creator: McCormack, Mark H.; Frazee, John P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 5, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
184. Letter from Mark H. McCormack to John P. Frazee Jr. Creator: McCormack, Mark H.; Frazee, John P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 17, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
185. Letter from Mark H. McCormack to John Welch Creator: McCormack, Mark H.; Welch, Jack, 1935- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 23, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
186. Letter from Mark H. McCormack to Johnny de Vicuna Creator: McCormack, Mark H.; de Vicuna, J. M. S. 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
187. 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: November 4, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
188. 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 24, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
189. 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: May 3, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
190. Letter from Mark H. McCormack to Joseph F. Beditz Creator: McCormack, Mark H.; Beditz, Joseph F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 23, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
191. Letter from Mark H. McCormack to K. M. Murray Creator: McCormack, Mark H.; Murray, K. M. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
192. Letter from Mark H. McCormack to Karsten Solheim Creator: McCormack, Mark H.; Solheim, Karsten, 1911- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
193. Letter from Mark H. McCormack to Kenji Tamiya Creator: McCormack, Mark H.; Tamiya, Kenji Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 3, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
194. Letter from Mark H. McCormack to Kenneth T. Derr Creator: McCormack, Mark H.; Derr, Kenneth T. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 17, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
195. Letter from Mark H. McCormack to Lars Ahren Creator: McCormack, Mark H.; Ahren, Lars Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 22, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
196. Letter from Mark H. McCormack to Lars Ahren Creator: McCormack, Mark H.; Ahren, Lars Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 17, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
197. Letter from Mark H. McCormack to Louis R. King Creator: McCormack, Mark H.; King, Louis R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 18, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
198. Letter from Mark H. McCormack to M. F. Bonallack Creator: McCormack, Mark H.; Bonallack, M. F. 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
199. Letter from Mark H. McCormack to M. R. Davis Creator: McCormack, Mark H.; Davis, M. R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 9, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
200. Letter from Mark H. McCormack to Marvin L. Olshan Creator: McCormack, Mark H.; Olshan, Marvin L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 18, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives