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.
University of Iowa
The University of Iowa library system is the state's largest library and comprises the Main Library, the Hardin Library for the Health Sciences, five branch libraries, and the Law Library. The University Libraries' holdings include more than five million bound volumes, more than 200,000 rare books and 1000 historical manuscript collections. Significant holdings include Hardin Library's John Martin Rare Book Room, the Iowa Women's Archives, the Louis Szathmary culinary arts collections, science fiction collections, and works of Walt Whitman. The comic books collection in the Special Collections contains original art for 6,000 cartoons, film and television scripts, zines and other underground or amateur publications, as well as mainstream books, from throughout the 20th and 21st centuries.