UNIVERSITY OF ILLINOIS BULLETIN
Issuep WEEKLY
August 28. 1628

VoL. XXV
"Entered as second-class matter December 11, 1912, at the post office at Urbana, Illinois,
under the Act of August 24, 1912. Acceptance for mailing at the special rate of
postage provided for in section 1103, Act of October 3, 1917, authorized July 31, 1918.7

BUREAU OF BUSINESS RESEARCH
COLLEGE OF COMMERCE AND BUSINESS
ADMINISTRATION

BULLETIN NO. 20
(Distributed, Tuly, 1928)

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