Codex Cumanicus - Encyclopaedia Iranica article discussing the Persian words in this trilingual manuscript (PDF). - http://www.iranica.com/articles/search/searchpdf.isc?ReqStrPDFPath=/home1/iranica/articles/v5_articles/codex_cumanicus&OptStrLogFile=/home/iranica/public_html/logs/pdfdownload.html