A few weeks ago, Shahul Badhusha posted a topic presenting a Brief History of PM here. I thought it was pretty cool. Then a couple of days ago, while doing a Google search for sites that mention "critical path drag", I stumbled across this apparently British (based on some of the spelling) site. It explores the history of project management quite thoroughly (who has ever previously heard of "Gobekli Tepe", never mind tied it to project management?).
Yes, the site is personally flattering, but it's also some good stuff. I intend to use it in my graduate classes in project management.
Fraternally in project management,
Steve the Bajan
For a significantly more comprehensive collection of papers see: http://www.mosaicprojects.com.au/PM-History.html