Google Scholar
Search scholarly literature
Open Library builds an editable catalogue of books, with bibliographic records and links to reading or borrowing options where the relevant material is available.
It is useful for locating research material, a collection item or information about an original source. Its focus includes Book catalogue, Reading discovery and Library records, helping a reader distinguish a discovery record from the underlying work or item they ultimately want to consult.
The official Open Library site provides entry points for Collections and Books.
