Bellows, H. W. 1. (1861). The advantage of testing our principles, compensatory of the evils of serious times: A discourse, on Sunday morning, Feb. 17th, 1861, before the Second Unitarian Society of Philadelphia. Philadelphia: C. Sherman & Son, printers.

Bellows, Henry W. 1814-1882. The Advantage of Testing Our Principles, Compensatory of the Evils of Serious Times: A Discourse, On Sunday Morning, Feb. 17th, 1861, Before the Second Unitarian Society of Philadelphia. Philadelphia: C. Sherman & Son, printers, 1861.

Bellows, Henry W. 1814-1882. The Advantage of Testing Our Principles, Compensatory of the Evils of Serious Times: A Discourse, On Sunday Morning, Feb. 17th, 1861, Before the Second Unitarian Society of Philadelphia. Philadelphia: C. Sherman & Son, printers, 1861.