"Mexican-American Border Region" is the phrase used either as the main subject heading or as a subheading in the Library of Congress cataloging index. Some examples are below; click on any of the links to find books that share these subject headings.
Your history professors may ask you to locate a monograph, a scholarly book on a tightly focused topic. How do you know if a book record you find in Primo is a historical monograph? The catalog record usually provides some clues:
Start by looking at the top of the catalog record:
Continue looking at the more detailed section of the catalog record:
By consulting book reviews of the scholarly works you are reading, you can gain a better understanding of the place of a particular work within the field. Here are a few tips for locating book reviews: