Nearly All of items while in the pamphlet selection have records in LocatorPlus. Many of the pre-1801 and about 50,000 19th and twentieth century pamphlets never still have information in LocatorPlus. Lots of them are available by looking in the Index-Catalogue with the Library with the Surgeon-Basic’s Place of work https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8