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- [2] THE GREATEST CENSUS TEN YEARS OF INVENTION JOURNAL OF THE PATENT OFFICE SOCIETY, 1927, 10 (01): : 4 - 7
- [7] Fifty years in the petroleum industry INDUSTRIAL AND ENGINEERING CHEMISTRY, 1926, 18 : 936 - 938
- [10] Fifty years' progress in the pulp industry INDUSTRIAL AND ENGINEERING CHEMISTRY, 1926, 18 : 917 - 919