Earliest publication date
Searches the Open Library for a title, returns the first 100 items, and selects the earliest publication date from that group. Can be used to help determine copyright status based on earliest date of publication
WebCite® is an archiving system for webreferences (cited webpages and websites), which can be used by authors, editors, and publishers of scholarly papers and books, to ensure that cited webmaterial will remain available to readers in the future. Authors