A Collection of Problems on Complex Analysis by L.I. Volkovyskii, G.L. Lunts and I.G. Aramanovich $10.00
Exact Categories and Categories of Sheaves by Michael Barr, Pierre A Grillet and Donovan H Van Osdol $25.00
Sold Out Thirty Years of Foundational Studies: Lectures on the Development of Mathematical Logic and the Study of the Foundations of Mathematics in 1930-1964 by Andrzej Mostowski $20.00