Nearly All of merchandise during the pamphlet collection have data in LocatorPlus. All of the pre-1801 and about fifty,000 19th and 20th century pamphlets will not yet have records in LocatorPlus. Most of them can be found by browsing within the Index-Catalogue of the Library with the Surgeon-Basic’s Place of https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8