This online research guide is intended to help you find the research materials you need to complete your final term paper. From your final term paper assignment description:
Papers should include endnotes and a bibliography... For endnotes and bibliography, follow the formatting of The Chicago Manual of Style.
Your professor has given you guidance on how to construct your short essays in your assignment description. In order to construct the search you'll perform in different search tools, you'll follow this guidance. For example, you might search: Name of art work, name of artist, name of art movement, or any combination thereof.
I suggest you try this search in several search tools: