1. Preface;Babbage,1813
2. An essay towards the calculus of functions;Babbage;Philosophical Transactions of the Royal Society,1815
3. An essay towards the calculus of functions, part II;Babbage;Philosophical Transactions of the Royal Society,1816
4. British Museum additional manuscripts 37202: Essays on the philosophy of analysis;Babbage,1820
5. Observations on the notation employed in the calculus of functions;Babbage;Transactions of the Cambridge Philosophical Society,1822