21. Letter from Mark H. McCormack to Glen H. Johnson Creator: McCormack, Mark H.; Johnson, Glen H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 14, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
22. Letter from Mark H. McCormack to Herb McDonald Creator: McCormack, Mark H.; McDonald, Herb Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 15, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
23. Letter from Mark H. McCormack to J. A. Spalding Creator: McCormack, Mark H.; Spalding, J. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 4, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
24. Letter from Mark H. McCormack to J. Kevin Murphy Creator: McCormack, Mark H.; Murphy, J. Kevin Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 14, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
25. Letter from Mark H. McCormack to John K. O'Loughlin Creator: McCormack, Mark H.; O'Loughlin, John K. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 14, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
26. Letter from Mark H. McCormack to Joseph Carrico Creator: McCormack, Mark H.; Carrico, Joseph Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 19, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
27. Letter from Mark H. McCormack to Koichi Tanaka Creator: McCormack, Mark H.; Tanaka, Koichi Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 30, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
28. Letter from Mark H. McCormack to Lawrence Pugh Creator: McCormack, Mark H.; Pugh, Larry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 19, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
29. Letter from Mark H. McCormack to Paul Downes Creator: McCormack, Mark H.; Downes, Paul Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 14, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
30. Letter from Mark H. McCormack to Paul Thayer Creator: McCormack, Mark H.; Thayer, Paul, 1919-2010 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 20, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
31. Letter from Mark H. McCormack to Peter B. Higgins Creator: McCormack, Mark H.; Higgins, Peter B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 27, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
32. Letter from Mark H. McCormack to Philippe Chatrier Creator: McCormack, Mark H.; Chatrier, Philippe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 26, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
33. Letter from Mark H. McCormack to R. A. A. Holt Creator: McCormack, Mark H.; Holt, R. A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 26, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
34. Letter from Mark H. McCormack to Shiro Nakajo Creator: McCormack, Mark H.; Nakajo, Shiro Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 4, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
35. Letter from Mark H. McCormack to Thomas L. Kempner Creator: McCormack, Mark H.; Kempner, Thomas L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 4, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
36. Letter from Mark H. McCormack to Will McFarlane Creator: McCormack, Mark H.; McFarlane, Will Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 19, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
37. Letter from Mark H. McCormack to Willis McFarlane Creator: McCormack, Mark H.; McFarlane, Willis Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 28, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
38. Memorandum from Arthur J. Lafave to Laurie Roggenburk Creator: Lafave, Arthur J.; Roggenburk, Laurie Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 13, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
39. Memorandum from Cindy Hand to Tony Creator: Hand, Cindy Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 13, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
40. Memorandum from Judy A. Chilcote to David A. Rees Creator: Chilcote, Judy A.; Rees, David A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 30, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives