1. Letter from Adrian Metcalfe to Mark H. McCormack Creator: Metcalfe, Adrian; McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
2. Letter from Mark H. McCormack to A. B. Mumford Creator: McCormack, Mark H.; Mumford, A. B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 31, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
3. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 11, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
4. 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 31, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
5. Letter from Mark H. McCormack to David Tait Creator: McCormack, Mark H.; Tait, David Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 18, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
6. Letter from Mark H. McCormack to Jack Mulcahy Creator: McCormack, Mark H.; Mulcahy, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 11, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
7. Letter from Mark H. McCormack to Jerry Johnston Creator: McCormack, Mark H.; Johnston, Jerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 15, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
8. Letter from Mark H. McCormack to Jerry Johnston Creator: McCormack, Mark H.; Johnston, Jerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 11, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
9. Letter from Mark H. McCormack to John L. Notter Creator: McCormack, Mark H.; Notter, John L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 1, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
10. Letter from Mark H. McCormack to John L. Notter Creator: McCormack, Mark H.; Notter, John L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 1, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
11. Letter from Mark H. McCormack to Knut Hagrup Creator: McCormack, Mark H.; Hagrup, Knut Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 31, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
12. Letter from Mark H. McCormack to Robert Anderson Creator: McCormack, Mark H.; Anderson, Robert, 1920-2005 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 12, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
13. Letter from Mark H. McCormack to Sam Petok Creator: McCormack, Mark H.; Petok, Sam Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 4, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
14. Letter from Mark H. McCormack to T. A. Wilson Creator: McCormack, Mark H.; Wilson, T. A. (Thornton Arnold), 1921-1999 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 5, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
15. Letter from Mark H. McCormack to the World Management Establishment Creator: McCormack, Mark H.; World Management Establishment Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 21, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
16. Letter from Mark H. McCormack to the World Management Establishment Creator: McCormack, Mark H.; World Management Establishment Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 21, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
17. Memorandum from Mark H. McCormack concerning golf tournaments Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 24, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
18. Memorandum from Mark H. McCormack to Arthur Rosenblum Creator: McCormack, Mark H.; Rosenblum, Arthur Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 15, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
19. Memorandum from Mark H. McCormack to Jack Nicklaus accomplishment file Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 14, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
20. Memorandum from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 29, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives