41. Letter from Mark H. McCormack to John King Creator: McCormack, Mark H.; King, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 18, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
42. Letter from Mark H. McCormack to Kelvin McKenzie Creator: McCormack, Mark H.; McKenzie, Kelvin Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 17, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
43. Letter from Mark H. McCormack to M. R. Davis Creator: McCormack, Mark H.; Davis, M. R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 9, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
44. Letter from Mark H. McCormack to Norman Blake Creator: McCormack, Mark H.; Blake, Norman Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 30, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
45. Letter from Mark H. McCormack to Norman Blake Creator: McCormack, Mark H.; Blake, Norman Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 31, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
46. Letter from Mark H. McCormack to Norman Blake Creator: McCormack, Mark H.; Blake, Norman Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 25, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
47. Letter from Mark H. McCormack to Paul J. Graf Creator: McCormack, Mark H.; Graf, Paul J. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 25, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
48. Letter from Mark H. McCormack to Pehr G. Gyllenhammar Creator: McCormack, Mark H.; Gyllenhammar, Pehr G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 5, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
49. Letter from Mark H. McCormack to Philip L. Thomas Creator: McCormack, Mark H.; Thomas, Philip L. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 15, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
50. Letter from Mark H. McCormack to Ray Cave Creator: McCormack, Mark H.; Cave, Ray, 1929- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 23, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
51. Letter from Mark H. McCormack to Rene P. Dentan Creator: McCormack, Mark H.; Dentan, Rene P. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 15, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
52. Letter from Mark H. McCormack to Richard 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 15, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
53. Letter from Mark H. McCormack to Robert D. Campbell Creator: McCormack, Mark H.; Campbell, Robert D. (Robert Duff), 1917-1997 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 18, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
54. Letter from Mark H. McCormack to Robert E. Kirby Creator: McCormack, Mark H.; Kirby, Robert E., 1918-1999 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 15, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
55. Letter from Mark H. McCormack to Robert E. Templin Creator: McCormack, Mark H.; Templin, Robert E., 1919-2005 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 29, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
56. Letter from Mark H. McCormack to Robert Leach Creator: McCormack, Mark H.; Leach, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 9, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
57. Letter from Mark H. McCormack to Russell W. Meyer Creator: McCormack, Mark H.; Meyer, Russell W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 16, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
58. 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: November 16, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
59. Letter from Mark H. McCormack to Thornton 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: June 13, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
60. Letter from Mark H. McCormack to Tom E. Cottrell Creator: McCormack, Mark H.; Cottrell, Tom E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 15, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives