General references:
Also folder under GEOMETRY
A History of Algebraic and Differential Topology, 1900 - 1960 Series: Modern Birkhäuser Classics Dieudonné, Jean 1st ed. 1989. 2nd printing, 2009, XXIV, 648 p., Softcover ISBN: 978-0-8176-4906-7
nLab almost no info at all Aug 09
nLab page on Algebraic topology