"Salem (Mass.)" . . "Travel." . . . . "Guidebooks" . "Guidebooks"@en . . . . . . "Visitors guide to Salem" . . . . . . . . . . "Catalogs" . "History"@en . "History" . . . . . . . "Visitors' guide to Salem" . "Travel literature" . . . "Visitor's guide to Salem" . "Visitor's guide to Salem"@en . . . . . . . . . . . . "Massachusetts" . . "Essex Institute." . .