[30] Acts of Wisconsin, 1891, Chapter 179, Section 8. Special laws of Minnesota, 1889, Chapter 30, Section 2.
[31] Quarterly Journal of Economics, April, 1893.
[32] Colonial Laws of New York, Vol. I, pp. 269-271.
[33] 4 Massachusetts Colonial Records, Part I, p. 327.
[34] Cited in Hammett vs. Philadelphia, 65 Pa. St. 158.
[35] Ancient Charters of Massachusetts, pp. 389, 651.
[36] Tenth Session Laws of New York, Chapter 88, p. 544.
[37] Theory and Practice of Special Assessments. Transactions. American Society of Civil Engineers, Vol. 38. Paper 817.
[38] Constitution of Ohio, with Amendments proposed by Constitutional Convention of 1912, Article XVIII, Section 11.
[39] Acts of Massachusetts, 1882, Chapter 154, Section 7.