Virtually all things within the pamphlet collection have data in LocatorPlus. Every one of the pre-1801 and about 50,000 nineteenth and twentieth century pamphlets usually do not however have documents in LocatorPlus. Lots of them can be found by looking in the Index-Catalogue of your Library with the Surgeon-Basic’s Workplace https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8