On the improvement of the understanding : The ethics ; Correspondence /​ Benedict de Spinoza ; translated from the Latin with an introd. by R.H.M. Elwes.

Spinoza / Stuart Hamshire

Descartes philosophical writings / selected and translated by Norman Kemp Smith

The essence of philosophy = Das wesen der philosophie / by Wilhem Dilthey; translated into english by Stephen A. Emery and William T. Emery

Spinoza's ethics and de intellectus emandatione / translated by Andrew Boyle ; introduction by T.S. Gregory