Here's an article by Yaron Brook and Don Watkins on the near-laissez-faire capitalism of the 19th Century:
Capitalism In No Way Created Poverty, It Inherited It
How to Show That Taxation is Robbery
QuickPoint 2: Altruism Supports Coercion...
Why "Anarcho-Capitalism" is Wrongheaded
The Nature of the Morality of Rational Egoism: Short Notes