1856, Goold Brown, The First Lines of English Grammar, The names of the letters, as now commonly spoken and written in English, are A, Bee, Cee, Dee, E, Eff, Gee, Aitch, I, Jay, Kay, Ell, Em, En, O, Pee, Kue, Ar, Ess, Tee, U, Vee, Double-u, Ex, Wy, Zee.
1997, John Trotter, System of Rational Discourse, And there is a proverbial warning to mind your pees and kues.
2003, Cristian Darie & Karli Watson, The Programmer's Guide to SQL, SQL is pronounced either "ess-kue-ell" or "see-kwell" depending on your preference.
