 A Budget Of Paradoxes V2 by Augustus De Morgan, 20070725
 The Arithmetical Books from the Invention of Printing to the Present Time by Augustus De Morgan, 20091012
 A Budget of Paradoxes, Volume 1 by Augustus De Morgan, David Eugene Smith, et all 20100403
 Elements of algebra preliminary to the differential calculus by Augustus De Morgan, 20100828
 On the Syllogism and Other Logical Writings. by Augustus. De Morgan, 1966
 An explanation of the gnomonic projection of the sphere; and of such points of astronomy as are most necessary in the use of astronomical maps: being a description of the construction and use of the larger and smaller maps of the stars; as also of the six maps of the earth by Augustus, 18061871 De Morgan, 20091026
 From matter to spirit. The result of ten years'experience in spirit manifestations. Intended as a guide to enquirers by Sophia Elizabeth De Morgan, Augustus De Morgan, 20100903
 A Budget of Paradoxes, Volume 2 by Augustus De Morgan, David Eugene Smith, 20100224
 The Quadrature of the Circle: Correspondence Between an Eminent Mathematician and James Smith, Esq by James Smith, Augustus De Morgan, 20100109
 Formal Logic: The Calculus of Inference, Necessary and Probable by Augustus De Morgan, 200307
 Journal of a Tour in Unsettled Parts of North America in 1796 & 1797 by Francis Baily, Augustus De Morgan, et all 20100112
 On the study and difficulties of mathematics by Augustus De Morgan, Thomas Joseph McCormack, 20100821
 Newton: His Friend: And His Niece by Augustus De Morgan, Sophia Elizabeth De Morgan, et all 20100307
 A budget of paradoxes. Reprinted, with the author's additions, from the 'Athenaeum by Augustus De Morgan, Sophia Elizabeth 18091892 De Morgan, 20100829
