Boardman, H. A. 1. (1852). The new doctrine of intervention: Tried by the teachings of Washington: an address delivered in the Tenth Presbyterian Church, Philadelphia, on ... the 23d and 24th of February, 1852. Philadelphia: Lippincott, Grambo.

Boardman, Henry A. 1808-1880. The New Doctrine of Intervention: Tried By the Teachings of Washington: An Address Delivered in the Tenth Presbyterian Church, Philadelphia, On ... the 23d and 24th of February, 1852. Philadelphia: Lippincott, Grambo, 1852.

Boardman, Henry A. 1808-1880. The New Doctrine of Intervention: Tried By the Teachings of Washington: An Address Delivered in the Tenth Presbyterian Church, Philadelphia, On ... the 23d and 24th of February, 1852. Philadelphia: Lippincott, Grambo, 1852.