I'm not sure this is the same Pinos Zacatecas that one of the group
members is researching, but just in case:

Author :  	 Acosta Gómez, Ricardo.
Title : 	La nueva Toledo (Pinos, Zac.) / Ricardo Acosta Gómez.

Published : San Luis Potosí,[México?] : Academia de Historia Potosina,
1981.

	
Locations/Orders : 	Availability

Location : Widener Harvard Depository F1391.P48 A65 1981 [Consult Circ.
Desk for HN7HFB] Holdings Availability

	
Description : 	42 p. : ill. ; 24 cm.
Series : 	Serie Cuadernos ; 75
Notes : 	Cover title.
Notes : 	Includes bibliographical references (p. 42)
Subject : 	Pinos (Zacatecas, Mexico) -- History.
Keyword Subject : 	la94 02
Other Titles : 	Biblioteca de historia potosina. Serie Cuadernos ; 75.
HOLLIS Number : 	002874508