Epistolography

Epistolography, or the art of writing letters, is a genre of Byzantine literature similar to rhetoric that was popular with the intellectual elite of the Byzantine age. The letter became a popular literary form in the fourth century AD and combined Christian and classical Greek traditions. The collections of the emperors Julian, Libanios, and Syne...
Found on http://en.wikipedia.org/wiki/Epistolography

Epistolography

• (n.) The art or practice of writing epistles.
Found on http://thinkexist.com/dictionary/meaning/epistolography/

Epistolography

E·pis`to·log'ra·phy noun [ Greek ... epistle + -graphy : confer French épistolographie .] The art or practice of writing epistles.
Found on http://www.encyclo.co.uk/webster/E/57

epistolography

epistolography, epistolograph, epistolographic Writing letters (messages).
Found on http://www.wordinfo.info/words/index/info/view_unit/4047/

epistolography

letter-writing
Found on http://phrontistery.info/e.html
No exact match found