Elementary Illustrations of the Differential and Integral Calculus De Morgan, Augustus Heftet / 2013 / Engelsk
Formal Logic Or, The Calculus of Inference, Necessary and Probable De Morgan, Augustus Heftet / 2014 / Engelsk
First Notions of Logic : (Preparatory to the Study of Geometry) De Morgan, Augustus Heftet / 2013 / Engelsk
Arithmetical Books from the Invention of Printing to the Present Time Being Brief Notices of a Large Number of Works Drawn Up from Actual Inspection De Morgan, Augustus Heftet / 2014 / Engelsk
