University of Łódź
The library of the University of Łódź is one of the biggest and most modern academic libraries in Central Europe. 
Its total collection amounts to 3 million volumes. The main part of the book collection is in library store-rooms. The remaining books and journals are placed in the reference sections: the Main Reading Room and Study Rooms. Registered users can use self checkout machines for lending and returning books in some collections. Apart from the Main University Library there are 106 branch libraries and their collections are adjusted to the scientific and didactic activities of the institutions. The number of registered library card holders is now over 20,000.
Chicago Public Library
The American Library Association reports that the library holds 5,721,334 volumes, making it the 9th largest public library in the United States by volumes held, and the 30th largest academic or public library in the United States by volumes held. The Chicago Public Library is the second largest library system in Chicago by volumes held (the largest is the University of Chicago Library). The library is the second largest public library system in the Midwest, after the Detroit Public Library.