561. Letter from Mark H. McCormack Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 6, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
562. Letter from Mark H. McCormack concerning Donald Dell Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 26, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
563. Letter from Mark H. McCormack concerning Gleneagles Hotel and associated hotels Creator: McCormack, Mark H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 3, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
564. Letter from Mark H. McCormack to A. A. Greener Creator: McCormack, Mark H.; Greener, A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 1, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
565. Letter from Mark H. McCormack to A. A. Greener Creator: McCormack, Mark H.; Greener, A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 2, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
566. Letter from Mark H. McCormack to A. A. Greener Creator: McCormack, Mark H.; Greener, A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 22, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
567. Letter from Mark H. McCormack to A. A. Greener Creator: McCormack, Mark H.; Greener, A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 2, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
568. Letter from Mark H. McCormack to A. A. Greener Creator: McCormack, Mark H.; Greener, A. A. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 17, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
569. Letter from Mark H. McCormack to A. B. Mumford Creator: McCormack, Mark H.; Mumford, A. B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 31, 1975 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
570. Letter from Mark H. McCormack to A. D. C. Burroughs Creator: McCormack, Mark H.; Burroughs, A. D. C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 16, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
571. Letter from Mark H. McCormack to A. E. Brubaker Creator: McCormack, Mark H.; Brubaker, A. E. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 13, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
572. Letter from Mark H. McCormack to A. F. Rose Creator: McCormack, Mark H.; Rose, Albert F. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 6, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
573. Letter from Mark H. McCormack to A. H. Buckley Creator: McCormack, Mark H.; Buckley, A. H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 6, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
574. Letter from Mark H. McCormack to A. H. Buckley Creator: McCormack, Mark H.; Buckley, A. H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 16, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
575. Letter from Mark H. McCormack to A. H. Carter Creator: McCormack, Mark H.; Carter, Anthony H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 21, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
576. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 11, 1973 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
577. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 22, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
578. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936 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
579. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 11, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
580. Letter from Mark H. McCormack to A. J. F. O'Reilly Creator: McCormack, Mark H.; O'Reilly, Tony, 1936- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 11, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives