"In this Key all the Examples for practice' occurring in the Book-keeping, and the ... problems in 'Commercial calculations, 'are carefully worked out."--Pref.
Reproduction
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.
