1. Letter from Mark H. McCormack to Noel Morris Creator: McCormack, Mark H.; Morris, Noel Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 9, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
2. Letter from Mark H. McCormack to Noel Morris Creator: McCormack, Mark H.; Morris, Noel Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 30, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
3. Letter from Mark H. McCormack to Olle Nyman Creator: McCormack, Mark H.; Nyman, Olle Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 28, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
4. Letter from Mark H. McCormack to G. S. Crainer Creator: McCormack, Mark H.; Crainer, G. S. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 21, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
5. Letter from Mark H. McCormack to Paul W. Millard Creator: McCormack, Mark H.; Millard, Paul W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 21, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
6. Letter from Mark H. McCormack to Arthur Huxley Creator: McCormack, Mark H.; Huxley, Arthur Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 1, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
7. Memorandum from Mark H. McCormack to Edward J. Keating Creator: McCormack, Mark H.; Keating, Edward J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 18, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
8. Letter from Mark H. McCormack to George Carr Creator: McCormack, Mark H.; Carr, George Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 20, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
9. Letter from Mark H. McCormack to Dunlop Sports Company, Limited Creator: McCormack, Mark H.; Dunlop Sports Company, Limited Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 5, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
10. Memorandum from Mark H. McCormack to Arthur J. Lafave Jr. Creator: McCormack, Mark H.; Lafave, Arthur J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 5, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
11. Memorandum from Mark H. McCormack to Edward J. Keating Creator: McCormack, Mark H.; Keating, Edward J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 3, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
12. Memorandum from Mark H. McCormack to Edward J. Keating Creator: McCormack, Mark H.; Keating, Edward J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 13, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
13. Memorandum from Mark H. McCormack to Edward J. Keating Creator: McCormack, Mark H.; Keating, Edward J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 8, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
14. Memorandum from Mark H. McCormack to William H. Carpenter and Edward J. Keating Creator: McCormack, Mark H., Carpenter, William H., and Keating, Edward J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 22, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
15. Letter from Mark H. McCormack to James L. Fannan Creator: McCormack, Mark H.; Fannan, James L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 29, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
16. Letter from Mark H. McCormack to David Foster Creator: McCormack, Mark H.; Foster, David R. (David Ramsey), 1920-2010 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 16, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
17. Letter from Mark H. McCormack to Eustace E. Fannin Creator: McCormack, Mark H.; Fannin, Eustace E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 31, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
18. 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: March 10, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
19. 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 29, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
20. Letter from Mark H. McCormack to Ian Wells Creator: McCormack, Mark H.; Wells, Ian Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 17, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives