The vast majority of products inside the pamphlet collection have data in LocatorPlus. Many of the pre-1801 and about fifty,000 19th and 20th century pamphlets tend not to still have documents in LocatorPlus. Many of them are available by browsing while in the Index-Catalogue with the Library with the Surgeon-Basic’s https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8