241. Letter from Mark H. McCormack to Andre Heiniger Creator: McCormack, Mark H.; Heiniger, Andre J., 1921-2000 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 8, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
242. Letter from Mark H. McCormack to Andre J. Heiniger Creator: McCormack, Mark H.; Heiniger, Andre J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 24, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
243. Letter from Mark H. McCormack to Anton Rupert Creator: McCormack, Mark H.; Rupert, Anton 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
244. Letter from Mark H. McCormack to Antonio Carlos de Almeida Braga Creator: McCormack, Mark H.; Braga, Antȏnio Carlos de Almeida Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 13, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
245. Letter from Mark H. McCormack to Arno Arnason Creator: McCormack, Mark H.; Arnason, Arni 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
246. Letter from Mark H. McCormack to Arnold Palmer Creator: McCormack, Mark H.; Palmer, Arnold, 1929- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 5, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
247. Letter from Mark H. McCormack to Atsushi Fujita Creator: McCormack, Mark H.; Fujita, Atsushi Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 23, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
248. Letter from Mark H. McCormack to B. E. Bidwell Creator: McCormack, Mark H.; Bidwell, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 9, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
249. Letter from Mark H. McCormack to B. E. Bidwell Creator: McCormack, Mark H.; Bidwell, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 9, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
250. Letter from Mark H. McCormack to Barry N. A. Weatherill Creator: McCormack, Mark H.; Weatherill, Barry N. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 24, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
251. Letter from Mark H. McCormack to Ben Bidwell Creator: McCormack, Mark H.; Bidwell, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 12, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
252. Letter from Mark H. McCormack to Ben Bidwell Creator: McCormack, Mark H.; Bidwell, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 1, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
253. Letter from Mark H. McCormack to Ben Bidwell Creator: McCormack, Mark H.; Bidwell, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 28, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
254. Letter from Mark H. McCormack to Ben Hardesty Creator: McCormack, Mark H.; Hardesty, Ben Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 27, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
255. Letter from Mark H. McCormack to Bertrand Mure Creator: McCormack, Mark H.; Mure, Bertrand Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 2, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
256. Letter from Mark H. McCormack to Bob Bartlett Creator: McCormack, Mark H.; Bartlett, Bob Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 30, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
257. Letter from Mark H. McCormack to Bob Beattie Creator: McCormack, Mark H.; Beattie, Bob, 1933- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 1, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
258. Letter from Mark H. McCormack to Bryan Cowgill Creator: McCormack, Mark H.; Cowgill, Bryan, 1927-2008 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 1, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
259. Letter from Mark H. McCormack to Bryan Cowgill Creator: McCormack, Mark H.; Cowgill, Bryan, 1927-2008 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 14, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
260. Letter from Mark H. McCormack to Bryan Cowgill Creator: McCormack, Mark H.; Cowgill, Bryan, 1927-2008 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 17, 1980 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives