341. Letter from Mark H. McCormack to Joseph C. Dey, Jr. Creator: McCormack, Mark H.; Dey, Joseph C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 11, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
342. Letter from Mark H. McCormack to Joseph Dey Creator: McCormack, Mark H.; Dey, Joseph C. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 15, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
343. Letter from Mark H. McCormack to Joseph M. Toth Creator: McCormack, Mark H.; Toth, Joseph M. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 11, 1971 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
344. Letter from Mark H. McCormack to Joseph S. Holman Creator: McCormack, Mark H.; Holman, Joseph S. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: February 24, 1976 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
345. Letter from Mark H. McCormack to Joseph W. Smith Creator: McCormack, Mark H.; Smith, Joseph W. Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: August 1, 1969 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
346. Letter from Mark H. McCormack to Jules Alberti Creator: McCormack, Mark H.; Alberti, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 12, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
347. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 16, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
348. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: September 9, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
349. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: December 9, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
350. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 11, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
351. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: October 31, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
352. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: March 20, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
353. Letter from Mark H. McCormack to Jules Rosenthal Creator: McCormack, Mark H.; Rosenthal, Jules Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 24, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
354. Letter from Mark H. McCormack to Kazuya Kawade Creator: McCormack, Mark H.; Kawade, Kazuya Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 1, 1977 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
355. Letter from Mark H. McCormack to Ken Bilby Creator: McCormack, Mark H.; Bilby, Ken Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 13, 1967 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
356. Letter from Mark H. McCormack to Koichi Tanaka Creator: McCormack, Mark H.; Tanaka, Koichi Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 30, 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
357. Letter from Mark H. McCormack to L. H. Caldwell, Jr. Creator: McCormack, Mark H.; Caldwell, L. Hardwick Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: April 9, 1970 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
358. Letter from Mark H. McCormack to L. Hardwick Cadwell Creator: McCormack, Mark H.; Caldwell, L. Hardwick Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: November 2, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
359. Letter from Mark H. McCormack to L. Hardwick Caldwell Creator: McCormack, Mark H.; Caldwell, L. Hardwick Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: June 24, 1968 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
360. Letter from Mark H. McCormack to L. R. Pugh Creator: McCormack, Mark H.; Pugh, Larry Format: Letters/Correspondence; Manuscripts Collection: Mark H. McCormack Papers, ca. 1920-2008 (bulk: 1957-2003) Date: July 28, 1978 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives