Nearly all products while in the pamphlet assortment have information in LocatorPlus. Each of the pre-1801 and about 50,000 nineteenth and twentieth century pamphlets will not still have data in LocatorPlus. Lots of them can be found by browsing within the Index-Catalogue of the Library of the Surgeon-Typical’s Office environment https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8