While searching for some general information, I came across the following links on the Mexconnect.com site:

Regarding Zacatecas:
http://www.mexconnect.com/articles/3140-the-state-of-zacatecas-mexico-r…

- with several articles, among them: "Zacatecas - A Labyrinth of Riches"; "Zacatecas the City - an easy step into Mexico"; "Jerez, Zacatecas: a magical town"; "Hats off to Sombrerete"; "Zacatecas: Culinary Gateway"; "The Indigenous Past of Zacatecas" (by John Schmal) - and many more.
A site well worth visiting and perusing.

Also, these articles about locations in the state of Jalisco:
http://www.mexconnect.com/regions/43-jalisco?type=Article
including:
- "Tala, Jalisco: A thousand-year-old Mexican city inside a geological wonderland"
and - "The Romance of the Mexico Hacienda: El Carmen and La Labor Near Guadalajara" - and many more.

I hope you find something enjoyable to read.

Natalie Castro Coleman
in Virginia
Researching (lazily) Castro, Garcia, Duenas - primarily in Valparaiso district, and Sombrerete district