Books

Tom Standage, The Victorian Internet.
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Jack Goldsmith and Tim Wu, Who Controls the Internet? Illusions of a Borderless World.
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Infotopia: How Many Minds Produce Knowledge

Papers/Sites

Licklider and Taylor, The Computer as a Communications Device, 1968.
Paul Baran, Perspectives on networks--past present and future [PDF], 1977.
Internet Founders, A Brief History of the Internet.

Other

Media Ownership and Democracy in the Digital Information Age [PDF], Mark Cooper.