Collection of ephemera primarily from the pharmaceutical and medical trades. Contains stationery, receipts, fliers, form letters, trade cards, business cards, calendars, and circulars, ca. 1800-ca. 1940.

William H. Helfand Miscellaneous Popular Medicine Ephemera Collection
Collection of ephemera primarily from the pharmaceutical and medical trades. Contains trade cards, business cards, illustrated envelopes, and small-format advertising fliers, calendars, circulars, and cards.
William H. Helfand Popular Medicine Ephemera Collection
Collection of illustrated ephemera, primarily letterheads, billheads, receipts, and fliers, for pharmaceutical firms in the United States (predominantly New England, Mid-Atlantic, and Mid-West), and London issued between 1800 and 1940.
William H. Helfand Popular Medicine Stationery Collection
Collection of stationery, primarily illustrated and typographical letterheads, billheads, and form letters, of pharmaceutical firms and related businesses and institutions in the United States (predominantly New York City, New York, Philadelphia, and Pennsylvania) issued between circa 1840 and 1935. Subjects include invoices and receipts, shipping arrangements and fees, product orders, payments and payment disputes.