Columbia subject headings:
San Gregorio Atlapulco (Mexico City, Mexico)--History--Sources.
San Luis Tlaxialtemalco (Mexico)--History--Sources.
Xochimilco (Mexico City, Mexico)--History--Sources.
Harvard subject headings:
Aztecs--Mexico--Mexico City--History--Sources.
Manuscripts, Nahuatl--Mexico--Mexico City.
San Gregorio Atlapulco (Mexico City, Mexico)--History--Sources.
San Luis Tlaxialtemaco (Mexico City, Mexico)--History--Sources.
Xochimilco (Mexico City, Mexico)--History--Sources.
Princeton subject headings:
San Gregorio Atlapulco (Mexico)--History--Sources.
San Luis Tlaxialtemaco (Mexico)--History--Sources.
Xochimilco (Mexico City, Mexico)--History--Sources.