1. Pure food and dairy laws of Pennsylvania Author(s): Wells, Levi. Publication: [Harrisburg, Pa.] : Wm. Stanley Ray, State Printer of Pennsylvania, 1898 Subject(s): Legislation, FoodDairy ProductsPennsylvania
2. Contributions from the Cryptogamic Laboratory of Harvard University. XVI, On a kephir-like yeast found in the United States Author(s): Mix, Charles L. (Charles Louis), 1869-1935, author Publication: [Boston?] : [publisher not identified], 1891?] Subject(s): YeastsDairy ProductsUnited States