881. Letter from Mark H. McCormack to Christopher Lewinton Creator: McCormack, Mark H.; Lewinton, Chris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 10, 1974 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
882. Letter from Mark H. McCormack to Christopher Lewinton Creator: McCormack, Mark H.; Lewinton, Chris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 4, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
883. Letter from Mark H. McCormack to Christopher Lewinton Creator: McCormack, Mark H.; Lewinton, Chris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 16, 1989 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
884. Letter from Mark H. McCormack to Christopher Lewinton Creator: McCormack, Mark H.; Lewinton, Chris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 21, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
885. Letter from Mark H. McCormack to Christopher Macdonald Creator: McCormack, Mark H.; MacDonald, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 5, 1985 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
886. Letter from Mark H. McCormack to Christopher MacDonald Creator: McCormack, Mark H.; MacDonald, Christopher 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
887. Letter from Mark H. McCormack to Christopher McDonald Creator: McCormack, Mark H.; McDonald, Chris Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 23, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
888. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 24, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
889. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 9, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
890. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 9, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
891. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 1, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
892. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 7, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
893. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 11, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
894. Letter from Mark H. McCormack to Christopher Skase Creator: McCormack, Mark H.; Skase, Christopher Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 1, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
895. Letter from Mark H. McCormack to Cino Marchese Creator: McCormack, Mark H.; Marchese, Cino Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 9, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
896. Letter from Mark H. McCormack to Cino Marchese Creator: McCormack, Mark H.; Marchese, Cino Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: May 9, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
897. Letter from Mark H. McCormack to Clarence H. Sigler Creator: McCormack, Mark H.; Sigler, Clarence H. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 23, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
898. Letter from Mark H. McCormack to Clarke E. Bearden Creator: McCormack, Mark H.; Bearden, Clarke W., 1911-1998 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 28, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
899. Letter from Mark H. McCormack to Clarke W. Bearden Creator: McCormack, Mark H.; Bearden, Clarke W., 1911-1998 Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 10, 1972 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
900. Letter from Mark H. McCormack to Claude Barbey Creator: McCormack, Mark H.; Barbey, Claude Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 16, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives