Another word for disquisition

This tract, the Discours sur les causes de l'extreme cherte qui est aujourdhuy en France (1574), and the disquisition on public revenues in the sixth book of the Republique, entitle Bodin to a distinguished position among the earlier economists.
To these may be added a very short disquisition on the same subject addressed to Adalbold, and a similar one, on one of his own spheres, addressed to Constantine, abbot of Micy.
Robertson asserts (Historical Disquisition concerning Ancient India, p. 227) that the Arabs, Turks and Persians have no original name for the compass, it being called by them Bossola, the Italian name, which shows that the thing signified is foreign to them as well as the word.
The last chapter but one (181), "De Sancto Pelagio Papa," contains a kind of history of the world from the middle of the 6th century; while the last (182) is a somewhat allegorical disquisition, "De Dedicatione Ecclesiae."
It is a popular disquisition on the heroes of the Trojan War in the form of a conversation between a Thracian vine-dresser on the shore of the Hellespont and a Phoenician merchant who derives his knowledge from the hero Protesilaus, Palamedes is exalted at the expense of Odysseus, and Homer's unfairness to him is attacked.

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