Where can I find information about capitalism?

Wikimedia Commons has media related to Capitalism. Wikisource has the text of the 1922 Encyclopædia Britannica article "Capitalism". Wikiquote has quotations related to Capitalism. Look up capitalism in Wiktionary, the free dictionary.

What is the purest form of capitalism?

The purest form of capitalism is free-market or laissez-faire capitalism. Here, private individuals are unrestrained. They may determine where to invest, what to produce or sell, and at which prices to exchange goods and services. The laissez-faire marketplace operates without checks or controls.

Where did classical capitalism come from?

The ideology of classical capitalism was expressed in An Inquiry into the Nature and Causes of the Wealth of Nations (1776), by the Scottish economist and philosopher Adam Smith, which recommended leaving economic decisions to the free play of self-regulating market forces.