221. Letter from Mark H. McCormack to Frank D. Tatum Creator: McCormack, Mark H.; Tatum, Frank D. 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
222. Letter from Mark H. McCormack to Frank D. Tatum Jr. Creator: McCormack, Mark H.; Tatum, Frank D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 17, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
223. Letter from Mark H. McCormack to Frank D. Tatum, Jr. Creator: McCormack, Mark H.; Tatum, Frank D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 3, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
224. Letter from Mark H. McCormack to Frank D. Tatum, Jr. Creator: McCormack, Mark H.; Tatum, Frank D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 22, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
225. Letter from Mark H. McCormack to George Blumberg Creator: McCormack, Mark H.; Blumberg, George Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 3, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
226. Letter from Mark H. McCormack to H. Galen Allen Creator: McCormack, Mark H.; Allen, H. Galen Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 8, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
227. Letter from Mark H. McCormack to H. Galen Allen Creator: McCormack, Mark H.; Allen, H. Galen Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 8, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
228. Letter from Mark H. McCormack to Harry W. Easterly Creator: McCormack, Mark H.; Easterly, Harry W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 26, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
229. Letter from Mark H. McCormack to Harry W. Easterly, Jr. Creator: McCormack, Mark H.; Easterly, Harry W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 30, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
230. Letter from Mark H. McCormack to Harry W. Easterly, Jr. Creator: McCormack, Mark H.; Easterly, Harry W. 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
231. Letter from Mark H. McCormack to J. Richard Ryan Creator: McCormack, Mark H.; Ryan, J. Richard Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 7, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
232. Letter from Mark H. McCormack to John Cooper Creator: McCormack, Mark H.; Cooper, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 11, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
233. 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: December 12, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
234. 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
235. 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: [ca. April 7, 1981] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
236. Letter from Mark H. McCormack to Masaaki Morita Creator: McCormack, Mark H.; Morita, Masaaki 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
237. Letter from Mark H. McCormack to Mr. Fujita Creator: McCormack, Mark H.; Fujita, Atsushi Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 2, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
238. Letter from Mark H. McCormack to Paul Stuber Creator: McCormack, Mark H.; Stuber, Paul Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 30, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
239. 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
240. Letter from Mark H. McCormack to Rene P. Dentan Creator: McCormack, Mark H.; Dentan, Rene P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 10, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives