Asa Colton, B. Olney Hough. Editor: Harry T. Collings.
THE CUMULATIVE LOOSE-LEAF BUSINESS ENCYCLOPEDIA. Vol.8: Transportation, Foreign trade.
THE CUMULATIVE LOOSE-LEAF BUSINESS ENCYCLOPEDIA. Vol.8: Transportation, Foreign trade. By Asa Colton, B. Olney Hough. Editor: Harry T. Collings. © on revisions & additions; 25Jan33; A67729. Holt, Rinehart & Winston, Inc. (PCW); 25Aug60; R262629.
Holt, Rinehart & Winston, Inc.|PCW