Rivers and canals

＜図書＞
Rivers and canals


1	v. 1 Rivers / by Leveson Francis Vernon-Harcourt 2nd ed., re-written & enl. - Oxford : Clarendon Press , 1896
2	v. 2 Canals / by Leveson Francis Vernon-Harcourt 2nd ed., re-written & enl. - Oxford : Clarendon Press , 1896