61. Letter from Mark H. McCormack to Ken Schofield Creator: McCormack, Mark H.; Schofield, Ken D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 18, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
62. Letter from Mark H. McCormack to Ken Schofield Creator: McCormack, Mark H.; Schofield, Ken D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 18, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
63. Letter from Mark H. McCormack to Ken Schofield Creator: McCormack, Mark H.; Schofield, Ken D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 27, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
64. Letter from Mark H. McCormack to Kerry Packer Creator: McCormack, Mark H.; Packer, Kerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 7, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
65. Letter from Mark H. McCormack to Kerry Packer Creator: McCormack, Mark H.; Packer, Kerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 23, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
66. Letter from Mark H. McCormack to Kiri Te Kanawa Creator: McCormack, Mark H.; Te Kanawa, Kiri Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 4, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
67. Letter from Mark H. McCormack to Larry Shames Creator: McCormack, Mark H.; Shames, Larry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 18, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
68. Letter from Mark H. McCormack to Lisa Tanzman Creator: McCormack, Mark H.; Tanzman, Lisa Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 8, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
69. Letter from Mark H. McCormack to Lynton Taylor Creator: McCormack, Mark H.; Taylor, Lynton Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 21, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
70. Letter from Mark H. McCormack to Michael Bonallack Creator: McCormack, Mark H.; Bonallack, Michael Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 20, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
71. 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 23, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
72. 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: January 23, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
73. Letter from Mark H. McCormack to Rex Evans Creator: McCormack, Mark H.; Evans, Rex B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 28, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
74. Letter from Mark H. McCormack to Robert S. Oelman Creator: McCormack, Mark H.; Oelman, Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 5, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
75. 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: December 6, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
76. Letter from Mark H. McCormack to Russell W. Meyer, Jr. Creator: McCormack, Mark H.; Meyer, Russell W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 13, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
77. Letter from Mark H. McCormack to Seth Abraham Creator: McCormack, Mark H.; Abraham, Seth G. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 14, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
78. Letter from Mark H. McCormack to T. E. Cottrell Creator: McCormack, Mark H.; Cottrell, T. E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 1, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
79. Letter from Mark H. McCormack to Vernon R. Loucks Creator: McCormack, Mark H.; Loucks, Vernon R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 27, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
80. Letter from Mark H. McCormack to Walter W. Sawallisch Creator: McCormack, Mark H.; Sawallisch, Walter Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 11, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives