Poinsett, J. R. (1841). Discourse, on the objects and importance of the National Institution for the promotion of science: Established at Washington, 1840, delivered at the first anniversary. P. Force, Printer.

Poinsett, Joel Roberts. Discourse, on the Objects and Importance of the National Institution for the Promotion of Science: Established at Washington, 1840, Delivered at the First Anniversary. Washington: P. Force, Printer, 1841.

Poinsett, Joel Roberts. Discourse, on the Objects and Importance of the National Institution for the Promotion of Science: Established at Washington, 1840, Delivered at the First Anniversary. P. Force, Printer, 1841.