. . "Animal rights." . . "The obligation and extent of humanity to brutes : principally considered with reference to domesticated animals (1839)" . "The obligation and extent of humanity to brutes, principally considered with reference to the domesticated animals (1839)" . . . . . . . . . . . . . . . . "The obligation and extent of humanity to brutes principally considered with reference to domesticated animals (1839)"@en . "Animal welfare." . .