A history of commerce

by Clive Day

(b) Methods of constructing macadamized roads. [No. 21.]

(c) Repair of macadamized roads. [No. 30.]

(d) The best system of maintaining roads. [No. 24.]

(e) Systems of State aid. [No. 32, Minn.; No. 35, N. Y.]

4. Effect on the agriculture of the U. S. of the present roads. [Report of the U. S. Industrial Commission, 1900, vol. 10, pp. ccix-ccxvi.]

5. The place of canals in the transportation system of a modern European state. [O. Eltzbacher, The lesson of the German waterways, Contemporary Review, Dec., 1904, 86: 778-797.]

6. Early history of the railroad. [See a biography of Stephenson, by Smiles, or in one of the encyclopedias or biographical dictionaries.]

7. Early locomotives. [Thurston, Hist., chap. 4.]

8. American improvements in locomotives and cars. [Amer. Railway, p. 100 ff.]

9. Improvements in railroad construction. [Same, p. 1 ff.]