Many goods while in the pamphlet assortment have data in LocatorPlus. Every one of the pre-1801 and about fifty,000 nineteenth and 20th century pamphlets usually do not nevertheless have information in LocatorPlus. A lot of them can be found by searching in the Index-Catalogue of the Library of the Surgeon-General’s https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8