Finding Historiographic essays can be tricky, and there is no perfect way to do it. Below are some suggestions.
In the top box, as a SUBJECT TERM, use the term: historiograph*
In the second box, type your topic (ex Women AND Education)
To narrow your results, limit publication date to the last ~20 years.
Limiting the results to books and ebooks:
There are series of books that are JUST historiographic essays. They are excellent. Consider the following:
Dissertations are not considered published nor peer reviewed, so they don't really count for this assignment.
That said, the introduction paragraph of a dissertation is often an extremely detailed historiographical essays. You probably wouldn't want to use it as a source, but it is a good way to find an overview of your topic.
Only use this as a source in a class with the Professor's permission.