441. Letter from Mark H. McCormack to John F. Welch Creator: McCormack, Mark H.; Welch, Jack, 1935- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 29, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
442. Letter from Mark H. McCormack to John Hunter Creator: McCormack, Mark H.; Hunter, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 30, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
443. Letter from Mark H. McCormack to John Hunter Creator: McCormack, Mark H.; Hunter, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 15, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
444. 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: August 7, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
445. 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: May 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
446. Letter from Mark H. McCormack to John M. Murray Creator: McCormack, Mark H.; Murray, John M. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 11, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
447. Letter from Mark H. McCormack to John Ruhaak Creator: McCormack, Mark H.; Ruhaak, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 18, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
448. Letter from Mark H. McCormack to John Sculley Creator: McCormack, Mark H.; Sculley, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 18, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
449. Letter from Mark H. McCormack to John T. Hung Creator: McCormack, Mark H.; Hung, John T. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 30, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
450. Letter from Mark H. McCormack to Jonathan S. Linen Creator: McCormack, Mark H.; Linen, Jonathan S. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 20, 1994 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
451. Letter from Mark H. McCormack to Jose Fornos Rodrigues Creator: McCormack, Mark H.; Rodrigues, Jose Fornos Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 17, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
452. Letter from Mark H. McCormack to Joseph E. Antonini Creator: McCormack, Mark H.; Antonini, Joseph E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 3, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
453. Letter from Mark H. McCormack to Joseph F. Cullman Creator: McCormack, Mark H.; Cullman, Joseph F. (Joseph Fredrick), 1912-2004 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 5, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
454. Letter from Mark H. McCormack to K. R. T. Mackenzie Creator: McCormack, Mark H.; MacKenzie, Keith Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 20, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
455. Letter from Mark H. McCormack to K. Robert Brink Creator: McCormack, Mark H.; Brink, K. Robert Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 6, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
456. Letter from Mark H. McCormack to Karsten Solheim Creator: McCormack, Mark H.; Solheim, Karsten, 1911- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 6, 1992 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
457. Letter from Mark H. McCormack to Karsten Solheim Creator: McCormack, Mark H.; Solheim, Karsten, 1911- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 14, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
458. Letter from Mark H. McCormack to Kazuya Ohyama Creator: McCormack, Mark H.; Ohyama, Kazuya Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 27, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
459. Letter from Mark H. McCormack to Keiji Shima Creator: McCormack, Mark H.; Shima, Keiji Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 12, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
460. Letter from Mark H. McCormack to Keith MacKenzie Creator: McCormack, Mark H.; MacKenzie, Keith Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 23, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives