There are 452 libraries in the city, including 168 for children. The Russian State Library, founded in 1862, is the national library of Russia. The library is home to over  of shelves and 42 million items, including over 17 million books and serial volumes, 13 million journals, 350,000 music scores and sound records, and 150,000 maps, making it the largest library in Russia and one of the largest in the world. Items in 247 languages account for 29% of the collection.