Delicious

I registered some years ago when the site was called del.icio.us and then a few months ago imported all my bookmarks from the office computer. There is some duplication of bookmarks which will need time to sort out. The explanatory notes for the Philosophy Library site are very useful, as in the example here

Screenshot of the unedited version of my delicious page attached, this is very much a personal working tool rather than a Library site.