A Brief History of Algebra and Computing: An Eclectic Oxonian View
http://vmoc.museophile.com/algebra/
A detailed history of algebra and computing that provides many hypertext links to the people and places that were important in its development. The author also includes many good resources to related sites and a list of print references with links where available.
A Chronology of Digital Computing Machines (to 1952)
http://www.davros.org/misc/chronology.html
"The computer, as we now understand the word, was very much an evolutionary development rather than a simple invention. This article traces the sequence of the most important steps in that development, and in the earlier development of digital calculators without programability." The author also includes a bibliography of books he used in doing his research.