00634cam a22002051 4500 ca 24000140 DLC 20260227111111.0 760308s1922 xx 000 0 eng ca 24000140 (OCoLC)2035773 DLC OKentU DLC HF5351 .P45 Persons, Warren M. (Warren Milton), 1878-1937. Measuring and forecasting general business conditions, by Warren M. Persons. Boston, American institute of finance [c1922] 41 p. illus. 23 cm. Business. American Institute of Finance. 15726 15726