1. On the food of cities: read before the Medical Society of the State of New York at its annual meeting, February, 1864 Author(s): Percy, Samuel R., 1816- Publication: [New York? : s.n., 1864?] Subject(s): Animal WelfareCattleFood SafetyMilk
2. Painless slaughtering of animals Publication: [New York?] : [publisher not identified], [1886?] Subject(s): AbattoirsAnimal WelfareFood SafetyPhiladelphia
