structural:expansion, information:extraction, stylistic:style_transfer, quality:correction, stylistic:tone
Libraries

The National Library of Armenia located on Teryan Street is the chief public library of the city and the entire republic. It was founded in 1832 and is operating in its current building since 1939. Another national library of Yerevan is the Khnko Aper Children's Library, founded in 1933. Other major public libraries include the Avetik Isahakyan Central Library founded in 1935, the Republican Library of Medical Sciences founded in 1939, the Library of Science and Technology founded in 1957, and the Musical Library founded in 1965. In addition, each administrative district of Yerevan has its own public library (usually more than one library).

The Matenadaran is a library-museum and a research centre, regrouping 17,000 ancient manuscripts and several bibles from the Middle Ages. Its archives hold a rich collection of valuable ancient Armenian, Ancient Greek, Aramaic, Assyrian, Hebrew, Latin, Middle and Modern Persian manuscripts. It is located on Mashtots Avenue at central Yerevan.

On 6 June 2010, Yerevan was named as the 2012 World Book Capital by the United Nations Educational, Scientific and Cultural Organization (UNESCO). The Armenian capital was chosen for the quality and variety of the programme it presented to the selection committee, which met at UNESCO's headquarters in Paris on 2 July 2010.

The National Archives of Armenia founded in 1923, is a scientific research centre and depositary, with a collection of around 3.5 million units of valuable documents.