In this example, we will search for "gold leaf" in PittCat
1. Start at PittCat
3. Enter "gold leaf" in the search box and search
The results are limited, however, clicking on the result Gilding & the making of gold leaf shows the Library of Congress subject headings 'Bookbinding --Gilding" and "Gold Leaf." You can follow either of those subject headings, or return to starting a new search with a different keyword. The term gilding has come up in the search for gold leaf, which is an indicator it may also be a good search term. Repeating these steps for gilding, we now receive a greater number of relevant results.
You can also do a similar search in WorldCat to find books worldwide on your topic: