Libraries

• csbib
• electronic journals VUB
• vub library
• ACM digital library
• citeseer
• dblp
• uni-trier hp
• arXiv archive
• NZ digital library
• Library of Congress
• Stanford University Electronic Library
• ARPA/CNRI Electronic Libraries Project - MIT node
• Electronic Text Center - University of Virginia
• TELOS - The Electronic Library of Science
• free electronic books

Journals

• Journal of Logic and Computation
• Journal of Universal Computer Science (electronic only)
• ETAI (electronic transactions on artificial intelligence)
• Journal of Philosophical Logic
• Sigmod record
• JLP
• JFM
• Journal of applied non-classical logics

Bookstores

• goodreads
• Amazon (uk)
• Amazon (fr)
• Proxis (local)
• Bertelsmann (nl)
• IBS bookshop
• the book pl@ce (Dillons)
• Amazon UK
• Blackwell
• Hamilton
• Waterstone (WH Smith)
• Cambridge University Press
• Azur (local, expensive, may crash some browsers, not recommended)

Other

• price comparison
• bookdata
• the on-line books page