The former City Library of Rotterdam, which is now called the Rotterdam Library, with over 3.4 million visitors a year is the most visited institution of Rotterdam. The library collection includes more than 1 million books, CD-ROMs, DVDs, videos and e-books. Furthermore about 60 subscriptions to paper journals, 1,400 subscriptions to periodicals, including more and more digital magazines. The Central Discotheque Rotterdam (CDR), located in the building of the Library owns over 400.000c CDs, 300,000 LPs and 50,000 DVDs.