Mexico:
Constitutions / Constituciones(Georgetown University
Political Database of the Americas) includes the
1917 constitution with 2004 reforms;
in Spanish
Legislación
Federal de México(Cámara de Diputados del
H. Congreso de la Unión) full text of more than 225
Mexican federal laws in HTML and PDF; in Spanish
NATLEX:
Mexico(International Labour Organisation) database
of national laws on labor, social security and related human
rights