An Investigation of the Laws of Thought
An Investigation of the Laws of Thought: On Which Are Founded the Mathematical Theories of Logic and Probabilities
An Investigation Of The Laws Of Thought
A Treatise On Differential Equations, Volume 2
A Treatise on Differential Equations: Supplementary Volume
A Treatise on the Calculus of Finite Differences [1872 Revised Edition]
A Treatise on the Calculus of Finite Differences
A Treatise On the Calculus of Finite Differences
Calculus of Finite Differences
Collected logical works
The mathematical analysis of logic: being an essay towards a calculus of deductive reasoning
Treatise on differential equations. Supplementary volume
Treatise on the calculus of finite differences;