There are three ways to count letter frequency that result in very different charts for common letters. Both retain Montesquieu's rich satirical tone, as in Rica's Lettre 72: Je me trouvai l’autre jour dans une compagnie où je vis un homme bien content de lui. Le paiement doit être effectué immédiatement après la vente, et ce par les moyens suivants :? There is a visible beginning, development, and ending […]." Edgar Mass, "Les éditions des Lettres persanes," Revue française d’histoire du livre nos 102–103 (1999), pp. Montesquieu's "sources" are legion, since they doubtless extend to readings and conversations which are modified en route. Letter frequency as a function of rank can be fitted well by several rank functions, with the two-parameter Cocho/Beta rank function being the best.

Margaret Mauldon, Oxford University Press, 2008.
Even language changes as extreme as from old English to modern English (regarded as mutually unintelligible) show strong trends in related letter frequencies: over a small sample of Biblical passages, from most frequent to least frequent, enaid sorhm tgþlwu æcfy ðbpxz of old English compares to eotha sinrd luymw fgcbp kvjqxz of modern English, with the most extreme differences concerning letterforms not shared.[2]. [16] Given 26 filing cabinet drawers, rather than a 1:1 assignment of one drawer to one letter of the alphabet, it is often useful to use a more equal-frequency-letter code by assigning several low-frequency letters to the same drawer (often one drawer is labeled VWXYZ), and to split up the most-frequent initial letters ('S', 'A', and 'C') into several drawers (often 6 drawers Aa-An, Ao-Az, Ca-Cj, Ck-Cz, Sa-Si, Sj-Sz).

[Thomas] Flloyd, London, 4th edition 1762.
Patrick Brady, "The Lettres persanes: rococo or neo-classical ? Accurate average letter frequencies can only be gleaned by analyzing a large amount of representative text.

Linotype machines for the English language assumed the letter order, from most to least common, to be etaoin shrdlu cmfwyp vbgkjq xz based on the experience and custom of manual compositors. Le règlement des objets, ainsi que celui des taxes s'y appliquant, sera effectué dans la même monnaie. Although he has in the meantime received letters, the reader does not learn of them until the final series, which is more developed after the addition of supplementary letters 9–11 (157, 158, 160) of 1758. For example, an author in the United States would produce something in which the letter 'z' is more common than an author in the United Kingdom writing on the same topic: words like "analyze", "apologize", and "recognize" contain the letter in American English, whereas the same words are spelled "analyse", "apologise", and "recognise" in British English. In 1711 Usbek leaves his seraglio in Isfahan to take the long journey to France, accompanied by his young friend Rica. 19–56. CARVAJAL SVV agit comme mandataire du vendeur. Il  se réserve le droit de refuser une enchère portée qui serait trop faible par rapport aux précédents paliers. L'absence d'indication d'une restauration et/ou d'un accident dans le catalogue, les rapports, les étiquettes ou les annonces verbales, n'implique nullement qu'un bien soit exempt de tout défaut présent, passé ou réparé. The café – where debates take place (letter 34 [36]) – has become established as a public institution, as were already the theatre and opera. Though the manuscripts from which were set editions A and B have not survived, there is a notebook of corrections and addenda ("Cahiers de corrections" at the Bibliothèque Nationale de France (n. a. fr. Il assure également la police dans ses ventes pour le bon déroulement de la vacation. All of these languages use a similar 25+ character alphabet.