Category
page 1Treatises
Philosophiæ Naturalis Principia Mathematica
1687 work by Isaac Newton describing his laws of motion and gravitation

Panchatantra
thumb|The first page of oldest surviving Panchatantra text in Sanskrit
thumb|An 18th-century Pancatantra manuscript page in Braj ("The Talkative Turtle")
Didache
thumb|Didache manuscript
The Didache (; ), also known as '''''The Lord's Teaching Through the Twelve Apostles to the Nations''''' (), is a brief anonymous early Christian treatise (ancient church order) written in Koine Greek, dated by modern scholars to the first or (less commonly) second century AD.
Ethics
philosophical treatise written by Benedictus de Spinoza
Emile, or On Education
1762 essay by Jean-Jacques Rousseau
The Spirit of the Laws
1748 treatise on political theory first published anonymously by Charles-Louis de Secondat, baron de Montesquieu

treatise
thumb|Title page of Sir Isaac Newton's Mathematical Principles of Natural Philosophy (1687)

Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light
Opticks: or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light is a collection of three books by Isaac Newton that was published in English in 1704 (a scholarly Latin translation appeared in 1706). The treatise analyses the fundamental nature of light by means of the refraction of light with prisms and lenses, the diffraction of light by closely spaced sheets of glass, and the behaviour of colour mixtures with spectral lights or pigment powders. Opticks was Newton's second major work on physical science and it is considered one of the three major works on optics during
Two Treatises of Government
work of political philosophy by John Locke
Discourse on Inequality
work by Jean-Jacques Rousseau
A Treatise of Human Nature
work by David Hume
Laelius de Amicitia
treatise on friendship by Cicero
Tractatus Theologico-Politicus
work by Baruch Spinoza
Brāhmasphuṭasiddhānta
The Brāhma-sphuṭa-siddhānta ("Correctly Established Doctrine of Brahma", abbreviated BSS)
is a main work of Brahmagupta, written c. 628. This text of mathematical astronomy contains significant mathematical content, including the first good understanding of the role of zero, rules for manipulating both negative and positive numbers, a method for computing square roots, methods of solving linear and quadratic equations, rules for summing series, Brahmagupta's identity, and Brahmagupta theorem.
Gesta Hammaburgensis ecclesiae pontificum
literary work
Rhetoric
work of literature by Aristotle
Human Action, a treatise on economics.
non-fiction work by Ludwig von Mises
Some Thoughts Concerning Education
1693 book by John Locke
Passions of the Soul
essay by René Descartes
A Treatise on Painting
collection of Leonardo da Vinci's writings
Method of Fluxions
book by Isaac Newton
A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful
1757 treatise on aesthetics by Edmund Burke
A Treatise Concerning the Principles of Human Knowledge
1710 philosophical work by George Berkeley
Liber de Coquina
medieval cookbook
Tractatus de Intellectus Emendatione
1677 essay by Benedictus de Spinoza
Cosmos
1845 essay by Alexander von Humboldt
First Grammatical Treatise
Treatise on Old Norse phonology
Discourse on Metaphysics
book by Gottfried Wilhelm Leibniz
Second Treatise of the Great Seth
3rd-century Gnostic text
On Crimes and Punishments
work of Cesare Beccaria
East Asian Mādhyamaka
Buddhist tradition in East Asia which represents the Indian Madhyamaka
Treatise on Tolerance
essay by Voltaire
Tractatus Politicus
essay by Benedictus de Spinoza
On Love
essay by Stendhal

Monetae cudendae ratio
1526 paper on coinage by Copernicus
Encyclopedia of the Brethren of Purity
book by Brethren of Purity

Man, Economy, and State
non-fiction work by Murray Rothbard
Treatise on the Power and Primacy of the Pope
work by Philip Melanchthon
Risalat al-Huquq
early Shia text about social and religious responsibilities attributed to Ali al-Sajjad Ali ibn al-Husayn

Treatise on the Resurrection
Valentinian treatise
Cuneus Prophetarum
book
Al-Risalah al-Dhahabiah
medical dissertation on health and remedies attributed to Ali ibn Musa al-Ridha
De sphaera mundi
book by Sacrobosco
Tractatus de purgatorio sancti Patricii
1180-84 Latin text by H. of Saltrey
Treatise of the Three Impostors
book denying all three Abrahamic religions
Sum of Logic
textbook on logic (1323) by William of Ockham
Mathematical Treatise in Nine Sections
mathematical text written by Chinese Southern Song dynasty mathematician Qin Jiushao in 1247
Theologus Autodidactus
novel by Ibn al-Nafis
De amore
Andreas Capellanus's treatise
Treatise On the Response of the Tao
Taoist book by Li Ying-Chang
Dogme et Rituel de la Haute Magie
book by Éliphas Lévi on ritual magic
The New Science
book by Giambattista Vico
A Treatise on Electricity and Magnetism
written work by James Clerk Maxwell
L'art de toucher le clavecin
book by François Couperin
Treatise on Astrology of the Kaiyuan Era
Chinese astrology encyclopedia
Treatise on Instrumentation
book by Hector Berlioz
Deutsche Mythologie
book by Jacob Grimm
On the Harmony of Religions and Philosophy
book by Ibnu Rusyd (Averoes)
Treatise Against the Bogomils
polemical text
Traité de l'harmonie réduite à ses principes naturels
book by Jean-Philippe Rameau