1. Apresjan, Valentina. 1997. ‘Fear’ and ‘pity’ in Russian and English from a lexicographic perspective. International Journal of Lexicography 10(2): 85–111.
2. Boguslavskaja, O. 2004. Umnyj, neglupyj smyšlennyj, mudryj, glubokij, pronicatel’nyj, prozorlivyj. In Novyj ob”jasnitel’nyj slovar’ sinonimov russkogo jazyka [The new explanatory dictionary of Russian synonyms], ed. J. Apresjan, 1206–1213. Moskva-Wien: Jazyki slavjanskoj kul’tury-Wiener Slawistischer Almanach.
3. Collins Wordbanks Online. http://www.collinslanguage.com/content-solutions/wordbanks . Accessed Jan 2013.
4. Culpeper, Jonathan. 2011. English politeness: The 20th century. Paper presented at the 12th International Pragmatics Conference, Manchester, UK, 3–8 July 2011.
5. Culpeper, Jonathan, and Jane Demmen. 2011. Nineteenth-century English politeness Negative politeness, conventional indirect requests and the rise of the individual self. Journal of Historical Pragmatics 12(1–2): 49–81.