This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
Coyle, D. (2014). From the Eighteenth Century to the 1930s: War and Depression. In Coyle, D. GDP: A Brief But Affectionate History. Princeton University Press, pp. 7-40
express vehement protest
he fulminated in this