Pro-tip: When you find a source that looks like what you want, take a look at the subject terms listed on the record. Trying adding the subject to your search to see if it improves your results.
If you are searching by keywords, try putting quotes around phrases or using "and" to link words to narrow down your search results. For example, "healthcare systems" or healthcare AND systems.
Here are some subject terms that you can use when you search for books in our catalog:
You can also narrow down your search for items about the history of medicine by including the century in the subject term: