Ballard, Mary W. 2012. "Measuring Your Color Vision with a Glenn Colorule." in The Textile Specialty Group Postprints: Papers Delivered at the Textile Subgroup Session (AIC 40th Annual Meeting), Volume 22, edited by Holden, Amanda, Stevens, Sarah, Carlson, Julia, Petersen, Glenn, Schuetz, Emily, and Summerour, Rebecca., 103–105. Washington, DC: American Institute for Conservation.