61. Letter from Mark H. McCormack to J. A. H. Curry Creator: McCormack, Mark H.; Curry, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 26, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
62. Letter from Mark H. McCormack to Jack Kramer Creator: McCormack, Mark H.; Kramer, Jack, 1921-2009 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 14, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
63. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
64. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 26, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
65. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
66. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
67. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
68. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 21, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
69. Letter from Mark H. McCormack to Jack Urlwin Creator: McCormack, Mark H.; Urlwin, Jack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 19, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
70. Letter from Mark H. McCormack to Jean Shrimpton Creator: McCormack, Mark H.; Shrimpton, Jean, 1942- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 20, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
71. Letter from Mark H. McCormack to Jeremy Flint Creator: McCormack, Mark H.; Flint, Jeremy, 1928- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 27, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
72. Letter from Mark H. McCormack to Jeremy Flint Creator: McCormack, Mark H.; Flint, Jeremy, 1928- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 28, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
73. Letter from Mark H. McCormack to Jimmy Connors Creator: McCormack, Mark H.; Connors, Jimmy, 1952- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 1, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
74. Letter from Mark H. McCormack to John A. H. Curry Creator: McCormack, Mark H.; Curry, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 6, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
75. 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: December 11, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
76. Letter from Mark H. McCormack to John Mack Carter Creator: McCormack, Mark H.; Carter, John Mack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 22, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
77. Letter from Mark H. McCormack to John Mack Carter Creator: McCormack, Mark H.; Carter, John Mack Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 28, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
78. Letter from Mark H. McCormack to Jonathan Martin Creator: McCormack, Mark H.; Martin, Jonathan Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 24, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
79. Letter from Mark H. McCormack to Jose Fornos Rodriguez Creator: McCormack, Mark H.; Rodrigues, Jose Fornos Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 7, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
80. Letter from Mark H. McCormack to Joyce Hoffman Creator: McCormack, Mark H.; Hoffman, Joyce Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 15, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives