From the library website go the the "Research by Subject" tab. Select Humanities and try the database Gale World History in Context, which is listed under Core Resources. Enter the term Maya civilization and examine the references. You can also try JSTOR, also located in the Core Resources.
Next, try searching some of the reference resources on the left: Britannica, Credo, or Gale Virtual Reference Library. These resources come from general and specialized encyclopedias.