Thomas Hobbes
Without a state, life would be solitary, brutish and short.
Translation of Thucydides' History of the Peloponnesian War
His first book: a historian showing how fear and ambition lead cities to war. Not in our corpus.
Third Objections to Descartes' Meditations essential
Published with the Meditations, each objection followed by Descartes' reply. In our corpus in French translation (1647); the Latin original only as unproofread OCR.
On the Citizen (De Cive) essential
In Latin, first privately printed in Paris, then published in Amsterdam in 1647 with a preface and notes answering objections. French translation by Sorbière (1649). The 1651 English translation is possibly not his.
Leviathan essential
His masterpiece, in English. He published a revised Latin version in 1668 (Amsterdam). Our English text keeps the 1651 spelling.
De Corpore (Of Body)
His first philosophy: everything is explained by bodies and motion. Not yet in our corpus.
The Questions concerning Liberty, Necessity, and Chance
His controversy with Bishop Bramhall on free will. Not yet in our corpus.