#Digital Libraries Websites On Xranks
探索最好的 digital libraries 基于排名、流量和参与度的世界网站 如 archive, doi 或者 openlibrary.
Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 624 billion archived web pages.
Digital Object Identifier System.
Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.