Scope and Contents From the Collection: Notable for its rarity (over 90% of the ephemera processed is unique to the Phillips Library) and its diversity, the Essex County Advertising Ephemera Collection represents over 300 years of design, printing, advertising, and social history. The bulk of the ephemera dates from the mid-nineteenth century to the mid-twentieth century, with particular strength in late nineteenth-century materials. The majority of the materials originated in Salem, but the collection includes ephemera from about...