Arithmetical Books from the Invention of Printing to the Present Time Augustus De Morgan - Paperback £22.99 Find out more
Formal Logic, Or, The Calculus Of Inference, Necessary And Probable Augustus De Morgan - Paperback £11.75 Find out more
Writings for the Companion to the British Almanac 1831 - 1857 Augustus De Morgan - Paperback £22.99 Find out more
First notions of logic (preparatory to the study of geometry) Augustus De Morgan - Paperback £7.90 Find out more