Nearly all of things in the pamphlet selection have information in LocatorPlus. The many pre-1801 and about fifty,000 19th and twentieth century pamphlets usually do not but have records in LocatorPlus. Lots of them can be found by searching while in the Index-Catalogue in the Library in the Surgeon-Normal’s Business https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8