Here some web addresses are provided, but this www is wide enough to find even more.
GREEK TRAGEDY:
http://en.wikipedia.org/wiki/Greek_tragedy
http://www.sparknotes.com/philosophy/birthoftragedy/terms.html
http://en.wikipedia.org/wiki/Courtly_love
DOLCE STIL NUOVO:
http://global.britannica.com/EBchecked/topic/168115/dolce-stil-nuovo
PETRARCH:
http://en.wikipedia.org/wiki/Petrarch
http://www.sparknotes.com/history/european/renaissance1/section1.rhtml
BOCCACCIO:
http://en.wikipedia.org/wiki/Giovanni_Boccaccio
http://www.sparknotes.com/history/european/renaissance1/terms.html
ELIZABETHAN THEATRE:
http://en.wikipedia.org/wiki/English_Renaissance_theatre
http://www.sparknotes.com/biography/elizabeth/section9.rhtml
http://en.wikipedia.org/wiki/History_of_theatre
*Remember: at the end you should hand in your handwritten essays to your teacher in order to correct them. Don't forget you must study them to pass your assignments.