Klein, Lawrence (1984). "The Third Earl of Shaftesbury and the Progress of Politeness". Eighteenth-Century Studies. 18 (2): 186–214. doi:10.2307/2738536. JSTOR2738536.
Klein, Lawrence E. (1996). "Coffeehouse Civility, 1660-1714: An Aspect of Post-Courtly Culture in England". Huntington Library Quarterly. 59 (1): 34. doi:10.2307/3817904. JSTOR3817904.
Matsumoto, Y. (1988). "Reexamination of the universality of Face: Politeness phenomena in Japanese". Journal of Pragmatics. 12 (4): 403–426. doi:10.1016/0378-2166(88)90003-3.
Ide, S. (1989). "Formal forms and discernment: two neglected aspects of universals of linguistic politeness". Multilingua. 8 (2–3): 223–248. doi:10.1515/mult.1989.8.2-3.223. S2CID144575072.
Klein, Lawrence (1984). "The Third Earl of Shaftesbury and the Progress of Politeness". Eighteenth-Century Studies. 18 (2): 186–214. doi:10.2307/2738536. JSTOR2738536.
Klein, Lawrence E. (1996). "Coffeehouse Civility, 1660-1714: An Aspect of Post-Courtly Culture in England". Huntington Library Quarterly. 59 (1): 34. doi:10.2307/3817904. JSTOR3817904.
Ide, S. (1989). "Formal forms and discernment: two neglected aspects of universals of linguistic politeness". Multilingua. 8 (2–3): 223–248. doi:10.1515/mult.1989.8.2-3.223. S2CID144575072.