PART IV. APPENDIX A. Ethics of the Single Tax : Its Breadth and Catholicity. B. Tolstoy and Henry George. C. The Disproportionate Treatment of Agricultural Rents by Economists. D. Statement of the Rev. Edward McGlynn. E. A Protest Against Unjust Taxation. F. Agreements in Political Economy. G. Details of One Hundred and Twenty Sales. H. Details of Seven Hundred and Fifty- one Rentals.