Over the past decade the Metal Unit of the Material Culture Section, Archaeology Research Division, Canadian Parks Service, has maintained a reference file identifying marks found on metal artifacts. This document is a selection of marks on file that relate primarily to tableware items, from the late 18th century to about 1900.

Written: in draft by Marx 1863-1878, edited for publication by Engels; First published: in German in 1885, authoritative revised edition in 1893; Source: First English edition of 1907; Published: Progress Publishers, Moscow, 1956, USSR.

Malthus has prepared in this work the general rules of political economy. He calls into question some of the reasonings of Ricardo and attempts to defend Adam Smith.