HOLLIS is your gateway not only to Harvard's library resources but also journal articles, databases, images, and more.
Check out the HOLLIS User Guide on tips and tricks on getting the most out of your searches.
Here are just a couple of examples on how little changes in your search can make a big difference.
For example, searching for "transsexuality" and "labor market discrimination" as subject headings yields only 5 results:
Using the same concepts as keywords will give you more results:
When you add " " to identify a multi-word concept, it changes the results again:
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