Title: Opera quotquot reperta sunt, t. 1
Description: Baruch Spinoza's collected works, volume 1. 
Written in Latin, which was the common language for scientific and philosophical studies at the time. 
Content:

 1. Tractatus de Intellectus Emendatione
 2. Ethica - ordine geometrico demonstrata 
 3. Tractatus Politicus
 4. Tractatus Theologico-Politicus
 5. Annotationes in Tractatum Theologico-Politicum post librum editum adscriptae
Subjects: Dutch Philosophy
People: René Descartes (1596-1650)
Time periods: 17th century