I found a sketch of ciudad zacatecas year 1884:
http://oi57.tinypic.com/3088nrp.jpg
and also a sketch of the governor of zacatecas same year:
http://oi61.tinypic.com/2vvkvlt.jpg
I found many sketches in the old newspapers called:
"La Patria Ilustrada"
"El Album De La Mujer"
I looked them up in this website that has a number of old newspaper such as "La Gaceta" that goes as far back as 1722:
http://www.hndm.unam.mx/