Symmetry: A Very Short Introduction
Ian Nicholas Stewart
From the Circle of Alcuin to the School of Auxerre: Logic, Theology ...
John Marenbon
Schauberger's engine
Maxim Kolychev
Complex Analysis Lecture Notes
Dan Romik
High Minds: The Victorians and the Birth of Modern Britain
Simon Heffer
Etymological Dictionary of Latin and the Other Italic Languages
Michiel de Vaan