Fleeming Jenkin (1870), "The Graphical Representation of the Laws of Supply and Demand, and their Application to Labour," in Alexander Grant, Recess Studies and (1872), "On the principles which regulate the incidence of taxes," Proceedings of Royal Society of Edinburgh 1871-2, pp. 618-30., also in Papers, Literary, Scientific, &c, v. 2 {1887), ed. S.C. Colvin and J.A. Ewing via scroll to chapter links.
