Origin and history of all the pharmacopeial vegetable drugs, chemicals and preparations with bibliography... Prepared under the auspices of and published by the American Drug Manufacturers' Association, Washington, D.C. Vol. 1 Vegetable drugs

Lloyd comprehensively collected and studied the historical literature, citing it throughout the text and in the numerous bibliographies of specific drugs in this work. The book includes a bibliography of historical sources citing 707 works.

Lloyd and his brothers endowed the Lloyd Library and Museum in Cincinnati, a institution concerning medical botany, pharmacy, eclectic medicine and horticulture.
Digital facsimile from Biodiversity Heritage Library at this link.