Roumanian cities use concrete grain elevators, [216]

Rubber manufacture, inventor of, [53]

Ruff, John, [38], [40]

Russia, farm laborers received no wages in, [123];
in war with Japan, [204];
development of, [228];
wheat production, consumption, and exportation in, [242];
famines in, [242]

Russian army in Sweden (1809), [4]

Russo-Japanese War, [204]

S

Sailors become farmers, [11]

St. Louis, Mo., [73], [216]

Sales system of Cyrus H. McCormick, [47], [78] et seq.