数量xv, 224 p. plates, diagrs. 30 cm.
一般注記At head of title: Department of commerce and labor. Bureau of the census. S. N. D. North, director. Special reports.
"This report covers the calendar year ... 1906, and has been prepared under the supervision of Mr. William M. Steuart ... The results of this census were published on March 16, 1908, in Census bulletin 91, which constitutes the first section of this report." cf. Letter of transmittal, p. xv.