Ballard, Mary W., Koestler, Robert J., Blair, C., Santamaria, C., and Indictor, Norman. 1989. "Historic Silk Flags from Harrisburg (Chapter 9)." in Historic Paper and Textiles: Conservation and Characterization II, edited by Zeronian, S. H. and Needles, H. L., 134–142. Washington, DC: American Chemical Society.