481. Letter from Mark H. McCormack to James T. Aubrey Creator: McCormack, Mark H.; Aubrey, James T., 1918-1994 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 28, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
482. Letter from Mark H. McCormack to James W. Donlely Creator: McCormack, Mark H.; Donley, James Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 7, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
483. Letter from Mark H. McCormack to James Wolahan Creator: McCormack, Mark H.; Barrack, William S. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 5, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
484. Letter from Mark H. McCormack to Janice Hall Creator: McCormack, Mark H.; Hall, Janice Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 31, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
485. Letter from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 7, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
486. Letter from Mark H. McCormack to Jay Michaels Creator: McCormack, Mark H.; Michaels, Jay Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 29, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
487. Letter from Mark H. McCormack to Jerry Johnston Creator: McCormack, Mark H.; Johnston, Jerry 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
488. Letter from Mark H. McCormack to Jerry Johnston Creator: McCormack, Mark H.; Johnston, Jerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 15, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
489. Letter from Mark H. McCormack to Jerry Johnston Creator: McCormack, Mark H.; Johnston, Jerry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 11, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
490. Letter from Mark H. McCormack to Jim Herman Creator: McCormack, Mark H.; Herman, Jim Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 21, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
491. Letter from Mark H. McCormack to Jim Herman Creator: McCormack, Mark H.; Herman, Jim Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 28, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
492. Letter from Mark H. McCormack to Jimmy Hill Creator: McCormack, Mark H.; Hill, Jimmy Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 23, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
493. 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: December 13, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
494. 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
495. 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: March 19, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
496. 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: September 24, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
497. 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: July 19, 1993 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
498. Letter from Mark H. McCormack to John B. Richards Creator: McCormack, Mark H.; Richards, John B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 25, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
499. Letter from Mark H. McCormack to John Curry Creator: McCormack, Mark H.; Curry, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 3, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
500. Letter from Mark H. McCormack to John D. Laupheimer Creator: McCormack, Mark H.; Laupheimer, John D. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 18, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives