Lewis, St. Elmo
Value of the specialized library for the business man. Special libraries May 1913, p. 69-71.
Loomis, M. M.
Libraries that pay. Independent June 26, 1913, p. 1436-38.
Nystrom, P. H.
The business library as an investment. Library journal Nov. 1917, p. 857-62.
Same article National efficiency quarterly May 1918, p. 29-38.