Great effects from little causes [microform] : a sermon, delivered Sept. 13, 1815 at the anniversary of the Moral Society in Andover / by Ebenezer Porter
Microopaque. New York, N.Y. : Readex Microprint, courtesy of American Antiquarian Society, 1977. 1 microopaque ; 23 x 15 cm. (Early American imprints. Second series ; no. 35675).