McKimmie, Kathy (Winter 2010). "Hooked on Glazes: Karl Martz remembered, Becky Brown Martz rediscovered". Journal of the American Art Pottery Association. 26 (1): 10–14. Archived from the original on 2018-10-06. Retrieved 2018-09-25. Includes seven photos of pots by Karl (five in color), three color photos of works by Becky, and two black and white portraits.
"Karl Martz Retrospective"(PDF). Ceramics Monthly. 25 (5): 27–34. May 1977. Archived(PDF) from the original on October 9, 2018. Retrieved October 1, 2018.
Photos of the Martz Studio, extensively modified by 2018, can be seen here: "1766 Old State Road 46 Nashville, IN 47448". estately.com. August 31, 2018. Archived from the original on October 15, 2018. Retrieved October 13, 2018.
McKimmie, Kathy M. (2009). Clay Times Three. The tale of three Nashville, Indiana Potteries. ISBN978-0-615-31993-3. Privately published. 100 pages including index. Pages 47-83 cover Karl Martz and Becky Brown. 20 color photographs of works by Karl Martz, several portrait photos, and similar coverage of Becky Brown. 2010 eBook available from Indiana University PressArchived 2018-10-06 at the Wayback Machine.
Coleman, Thomas F. Obituary: Karl Martz. Published (but not online) in the Bloomington Herald Times May 29, 1997; and in the Indiana Daily Student (Indiana University) June 2, 1997. Available online at MartzPots.Org. Thomas F. Coleman was Professor in the School of Fine Arts, Indiana University.
Brisson, Harriet E. NCECA, The First 25 Years, 1966-1991. Scholes Library, New York State College of Ceramics at Alfred University. Online at NCECA.netArchived 2015-09-05 at the Wayback Machine.
McKimmie, Kathy M. (2009). Clay Times Three. The tale of three Nashville, Indiana Potteries. ISBN978-0-615-31993-3. Privately published. 100 pages including index. Pages 47-83 cover Karl Martz and Becky Brown. 20 color photographs of works by Karl Martz, several portrait photos, and similar coverage of Becky Brown. 2010 eBook available from Indiana University PressArchived 2018-10-06 at the Wayback Machine.
McKimmie, Kathy (Winter 2010). "Hooked on Glazes: Karl Martz remembered, Becky Brown Martz rediscovered". Journal of the American Art Pottery Association. 26 (1): 10–14. Archived from the original on 2018-10-06. Retrieved 2018-09-25. Includes seven photos of pots by Karl (five in color), three color photos of works by Becky, and two black and white portraits.
Brisson, Harriet E. NCECA, The First 25 Years, 1966-1991. Scholes Library, New York State College of Ceramics at Alfred University. Online at NCECA.netArchived 2015-09-05 at the Wayback Machine.
"Karl Martz Retrospective"(PDF). Ceramics Monthly. 25 (5): 27–34. May 1977. Archived(PDF) from the original on October 9, 2018. Retrieved October 1, 2018.
Photos of the Martz Studio, extensively modified by 2018, can be seen here: "1766 Old State Road 46 Nashville, IN 47448". estately.com. August 31, 2018. Archived from the original on October 15, 2018. Retrieved October 13, 2018.