• Books
  • Dictionary of scientific biography, in reference section of the math library
  • Books on history of math (QA21 to QA33)
  • Collected works (QA3, QA35, QA36)
  • Source books, in the reference section of the math library: see books by Fauvel and Gray, David Eugene Smith, Dirk J. Struik
• Journals devoted to history of math
  • Historia Mathematica
  • Scripta Mathematica
  • Isis
• Websites
  • The MacTutor History of Mathematics archive
  • History of mathematics website (I'm not sure I agree with everything he writes on his main page)
  • Euclid's Elements on-line
  • Website about prime numbers
  • UC Library catalogs
  • MathSciNet (accessible from UCB computers)
  • Google!

(I thank Professor Robin Hartshorne for suggesting most of these items.)

Bjorn Poonen