Clays, [227], [281].

Climate, [10], [85], [98], [114], [232] ff.

Clothing industry, [289], [292].

Clozove, [71].

Coal, [225], [278].

Coast, Ukrainian, [20] ff.

Coke, [278].

Columbia, [127].

Composite families, [197].

Commerce, [292] ff.