UC San Diego Library has a very strong collection related to PM. Search Roger, the UCSD Library catalog for these topics to turn up our collections on PM and PM-related topics. Set your search to General Subject and use these subject headings:
CRCnetBase has our largest e-book collection of PM titles(see box to the left for details).
EBL online monograph collection includes titles like Visual Six Sigma and Project Oriented Leadership. Use the EBL link here and then add any of the subjects in the bulleted list above as keywords to hone in on your particular topic of interest.
Safari Tech Books Online includes some PM content. Our subscription includes only the O'Reilly books.
Springerlink online monograph collection includes titles like Agile Management: Leadership in an Agile Environment, Overview of the PMBOK Guide and Project Management for the Creation of Organizational Value.
Remember: if you are part of the UCSD community and need to access these resources from off-campus, login in to the web vpn first via: https://vpn.ucsd.edu and then drop any URL you'd like from this guide into the http: box.