Commodity

The CRB Commodity Yearbook 2006 + CD (Crb Commodity Yearbook)

Super resource for long-term commodity charts (70-100 years).

World Commodities and World Currency

Benjamin Graham, the Dean of value investing, proposes solutions (first published in 1944) to the gold standard, and Bretton-Woods' fiat currencies. Written in the midst of a commodity bull market, Graham is among the first to propose major currencies be tied to a commodity index. Maybe time for a re-read. Hard to find..but any established research library should have a copy.