The word 'treatises' is correct and usable in written English.
You can use it to refer to a written work consisting of a detailed discussion on a particular subject, especially one for academic or scientific purposes. For example, "This book contains five treatises on the subject of ancient Greek philosophy."
She read about brickmaking and the Este family's patronage of the arts, and she read Leon Battista Alberti and Cennino Cennini's treatises on painting.
Japanese authors also competed with their gaijin counterparts to churn out treatises about Japanese ways of doing things.
What has been learned is, nevertheless, tantalising.The library is composed mostly of treatises on the philosophy of Epicurus, a Greek philosopher of the late fourth and early third centuries BC.
Countless treatises on the subject have been written over the centuries, by scientists, quacks and scoffers.In this section Complex number Unlucky Lindy Almost there Into the light Onegin's creator Is reportage killing Latin fiction?
Treatises on the creation of surplus value, the extraction of monopoly profit and the behaviour of stock prices far outnumber those on how the state finances its spending and allocates resources.In his centenary year, Schumpeter's preoccupations can be seen to have been the right ones.
It contains bold treatises on the political and economic reforms he has overseen since stealing power in his 1999 coup.
In what was to become one of the definitive treatises of the Enlightenment, Paine argues that rebellion and civic disobedience are permissible if a government violates its citizens' rights.
He started many projects he did not finish; he accepted commissions he never began; his many planned treatises remained just notes.
There are some dense political-science treatises, such as Bruce Rutherford's "Egypt After Mubarak: Liberalism, Islam And Democracy in the Arab World" (Princeton University Press, 2008), and Maye Kassem's harder-hitting, but now a bit dated book "Egyptian Politics: The Dynamics of Authoritarian Rule" (Lynne Rienner, 2004).
Before Burney, treatises on music had been theoretical, intended for practical use or to elaborate the eternal laws of musical science.
She talked, wrote novels, plays and political treatises, travelled widely and had affairs enough for two or three lifetimes.
