21. Letter from Mark H. McCormack to Joe Agee Creator: McCormack, Mark H.; Agee, Joe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 22, 1984 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
22. Letter from Mark H. McCormack to Joe Agee Creator: McCormack, Mark H.; Agee, Joe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 28, 1979 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
23. Letter from Mark H. McCormack to Joe Agee Creator: McCormack, Mark H.; Agee, Joe 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
24. Letter from Mark H. McCormack to Joe Agee Creator: McCormack, Mark H.; Agee, Joe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 31, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
25. Letter from Mark H. McCormack to John Randolph Creator: McCormack, Mark H.; Randolph, John Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 10, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
26. Letter from Mark H. McCormack to Joseph S. Agee Creator: McCormack, Mark H.; Agee, Joe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 7, 1982 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
27. Letter from Mark H. McCormack to Joseph S. Agee Creator: McCormack, Mark H.; Agee, Joe Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 28, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
28. Letter from Mark H. McCormack to Keith Menter Creator: McCormack, Mark H.; Menter, Keith Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 24, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
29. Letter from Mark H. McCormack to Marian C. Gengler Creator: McCormack, Mark H.; Gengler, Marian C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 3, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
30. Letter from Mark H. McCormack to Mildred B. West Creator: McCormack, Mark H.; West, Mildred B., 1934- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 2, 1981 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
31. Letter from Mark H. McCormack to Millie West Creator: McCormack, Mark H.; West, Mildred B., 1934- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 21, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
32. Letter from Mark H. McCormack to Millie West Creator: McCormack, Mark H.; West, Mildred B., 1934- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 11, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
33. Letter from Mark H. McCormack to Millie West Creator: McCormack, Mark H.; West, Mildred B., 1934- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 1, 1987 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
34. Letter from Mark H. McCormack to Millie West Creator: McCormack, Mark H.; West, Mildred B., 1934- Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 1, 1988 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
35. Letter from Mark H. McCormack to Paul B. Renucci Creator: McCormack, Mark H.; Renucci, Paul B. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 24, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
36. Letter from Mark H. McCormack to Paul Verkuil Creator: McCormack, Mark H.; Verkuil, Paul R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 9, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
37. Letter from Mark H. McCormack to R. Fleurian Creator: McCormack, Mark H.; Fleurian, R. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 10, 1983 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
38. Letter from Mark H. McCormack to Ray Reppert Creator: McCormack, Mark H.; Reppert, Ray Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: January 9, 1986 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
39. Letter from Mark H. McCormack to S. L. Rijks-Wyndham Brown Creator: McCormack, Mark H.; Brown, S. L. Rijks-Wyndham 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
40. Letter from Mark H. McCormack to Susie Keane Creator: McCormack, Mark H.; Keane, Susie Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 30, 1991 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives