In addition to researching the program and the art, you can also research the artists and their other works and their regional/national significance. Use Ebsco Discovery Service and El Paso Times newspaper databases.
Note details that might seem insignificant at first glance, in case one finds other information later.
Women's information is often found through researching the men in their lives (i.e. husband, fathers, etc.) so the notes here might only state that Mrs. X was married to Mr. X who was important for some reason, but in researching him, there might be information about his wife found later.
Research full text of local newspaper articles back to 1881 in this database available to EPCC users and in person in EPCC Libraries: