Documents from Paul Baran from RAND Corporation, number of memoranda propsing a digital communications network for military us that could still function after sustaining heavy damage from an enemy attack.

The Untold History of ArpaNet.

An atlas of maps and graphic representations of the geographies of ArpaNet.

Brief, single page description of this aspect of Internet History.

Scanned maps of the network for twelve distinct periods from December 1969 to March 1977.