The principle of equivalents
Subtitle: a subject of immediate and serious interest to both sexes and all classes of all nations
Contributors: Cuddon, A. C.
Publisher: Josiah Warren
Published: 1861
Place of publication: Long Island, N.Y
Language: eng
Number of pages: 16
Subjects: Money; Value
Notes: Caption title; dated below caption: Feb. 1, 1861.

"Specimen of the equitable money": p. 16, including "J. Warren, print."; at foot of page: "Until other centres are established, all enquiries and other communications may be addressed to A.C. Cuddon ... London, or to Josiah Warren ... Long Island, N.Y."

Later adapted as chapter IV of Warren's True civilization (1863); proposes the use of corn as currency.