The Vast majority of things while in the pamphlet assortment have information in LocatorPlus. Every one of the pre-1801 and about 50,000 19th and 20th century pamphlets don't however have records in LocatorPlus. Many of them can be found by searching during the Index-Catalogue of your Library on the Surgeon-Basic’s https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8