1. Observation sheet Author(s): American Pharmaceutical Association. Section on Scientific Papers, author. Publication: [Baltimore, Md.?] : American Pharmaceutical Association, [1894?] Subject(s): Pharmaceutical Preparations -- standardsSurveys and Questionnaires
2. Report of Willis G. Tucker, M.D., Ph. D, analyst of drugs: to Woolsey Johnson, M.D., chairman of the Sanitary Committee of the State Board of Health of New York Author(s): Tucker, Willis G. (Willis Gaylord), 1849-1922, author Publication: [Albany, N.Y.?] : [publisher not identified], [1886?] Subject(s): Pharmaceutical Preparations -- analysisPharmaceutical Preparations -- standardsNew York
