Compiled by the Sub-Department of Industry and Commerce of the Department of Agriculture, Industry and Commerce[Sub-Department of Industry and Commerce of the Dept. of Agriculture, Industry and Commerce]<Z67-P89>
edited and compiled by H.M. de Vries ; with the co-operation of the Military Air Force, the state railways, the municipalities and numerous private concerns ; air-photographs by the Military Air Force ; text by the editor, with the asistance of data supplied by the Department of Agriculture, Industry and Commerce, the Central Statistical Bureau and the Chambers of Commerce ; translation by H.J. BridgeH.M. de Vries[19--?]