301. Letter from Mark H. McCormack to Mike Sloan Creator: McCormack, Mark H.; Sloan, Mike Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 11, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
302. Letter from Mark H. McCormack to Mr. Miyake Creator: McCormack, Mark H.; Miyake Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 23, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
303. Letter from Mark H. McCormack to Peter Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: [ca. June 1983] Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
304. Letter from Mark H. McCormack to Peter J. Bates Creator: McCormack, Mark H.; Bates, Peter J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 26, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
305. Letter from Mark H. McCormack to Phil Knight Creator: McCormack, Mark H.; Knight, Philip H., 1938- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 11, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
306. Letter from Mark H. McCormack to R. E. Goode Creator: McCormack, Mark H.; Goode, R. E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 18, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
307. Letter from Mark H. McCormack to R. E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 12, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
308. Letter from Mark H. McCormack to R. E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 20, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
309. Letter from Mark H. McCormack to Richard A. Shortway Creator: McCormack, Mark H.; Shortway, Richard A., 1924-2008 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 7, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
310. Letter from Mark H. McCormack to Richard W. Hanselman Creator: McCormack, Mark H.; Hanselman, Richard W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 17, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
311. Letter from Mark H. McCormack to Richard W. Hanselman Creator: McCormack, Mark H.; Hanselman, Richard W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 25, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
312. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 8, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
313. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 3, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
314. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 22, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
315. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 23, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
316. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 5, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
317. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 26, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
318. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 16, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
319. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 21, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
320. Letter from Mark H. McCormack to Robert E. McCowen Creator: McCormack, Mark H.; McCowen, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 13, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives