Arithmetical Books from the Invention of Printing to the Present Time Augustus De Morgan - Paperback £21.60 was £24.00Find out more
On the Study and Difficulties of Mathematics Augustus De Morgan - Paperback £26.91 was £29.90Find out more
Formal Logic, Or, The Calculus Of Inference, Necessary And Probable Augustus De Morgan - Paperback £10.58 was £11.75Find out more
Writings for the Companion to the British Almanac 1831 - 1857 Augustus De Morgan - Paperback £20.69 was £22.99Find out more
First notions of logic (preparatory to the study of geometry) Augustus De Morgan - Paperback £7.11 was £7.90Find out more