A very great page with lots of links to library extensions.
Extending the capabilities of various web browsers so that they are better able to integrate with library content. Appropriate topics include both new browser extensions, as well as information about how to create them.
Find University of Pennsylvania in the list and drag the bookmarklet into your browser to find books in Franklin from Amazon and other ISBN containing pages.
These bookmarklets were inspired by Jon Udell's LibraryLookup homepage. The enhancement provided here is to include other ISBNs for the same work in the query.