This period was marked by increased bureaucracy, along with important cultural developments such as the creation of the Museum and the Library of Alexandria.
Bouchard, Elsa. "Reign of Ptolemy II Philadelphus in Egypt". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11318, accessed 10 March 2014.]