The Vast majority of items during the pamphlet assortment have documents in LocatorPlus. Many of the pre-1801 and about 50,000 19th and 20th century pamphlets tend not to nevertheless have information in LocatorPlus. Lots of them are available by browsing during the Index-Catalogue from the Library with the Surgeon-General’s Place https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8