Smith, Nathan Raymond; Gordon, Ruth Evelyn; Clark, Francis Eugene (1946). "Aerobic Mesophilic Sporeforming Bacteria". United States Department of Agriculture. Washington D.C.: U.S. Department of Agriculture: 1. subject:Sporeforming bacteria.
Gordon, Ruth E; Hagan, W. A. (1936). "A Study of Some Acid-Fast Actinomycetes from Soil with Special Reference to Pathogenicity for Animals". The Journal of Infectious Diseases. 59 (2). Oxford University Press: 200–206. doi:10.1093/infdis/59.2.200. JSTOR30088372.
Gordon, Ruth E; Stark, C.N. (1937). "A Study of Some of the Properties of the Toxic Substances Produced by Salmonella Paratyphi A and B". The Journal of Infectious Diseases. 60 (2). Oxford University Press: 238–244. doi:10.1093/infdis/60.2.238. JSTOR30089184.
Gordon, Ruth E.; Stark, C.N. (1938). "The Toxicity of Young Cells of Salmonella Paratyphi A and B When Lysed by Bacteriophage". The Journal of Infectious Diseases. 62. Oxford University Press: 45–47. doi:10.1093/infdis/62.1.45. JSTOR30089256.
jstor.org
Gordon, Ruth E; Hagan, W. A. (1936). "A Study of Some Acid-Fast Actinomycetes from Soil with Special Reference to Pathogenicity for Animals". The Journal of Infectious Diseases. 59 (2). Oxford University Press: 200–206. doi:10.1093/infdis/59.2.200. JSTOR30088372.
Gordon, Ruth E; Stark, C.N. (1937). "A Study of Some of the Properties of the Toxic Substances Produced by Salmonella Paratyphi A and B". The Journal of Infectious Diseases. 60 (2). Oxford University Press: 238–244. doi:10.1093/infdis/60.2.238. JSTOR30089184.
Gordon, Ruth E.; Stark, C.N. (1938). "The Toxicity of Young Cells of Salmonella Paratyphi A and B When Lysed by Bacteriophage". The Journal of Infectious Diseases. 62. Oxford University Press: 45–47. doi:10.1093/infdis/62.1.45. JSTOR30089256.