Ohio Valley Industrial Exposition. (1910). Prospectus of the Ohio Valley Industrial Exposition: To be held in the city of Cincinnati August 29 to September 24, inclusive 1910 representative of the resources and industries of the Ohio Valley and the southland. Krehbiel Press.
Chicago-referens (17:e uppl.)Ohio Valley Industrial Exposition. Prospectus of the Ohio Valley Industrial Exposition: To Be Held in the City of Cincinnati August 29 to September 24, Inclusive 1910 Representative of the Resources and Industries of the Ohio Valley and the Southland. Cincinnati, Ohio: Krehbiel Press, 1910.
MLA-referens (8:e uppl.)Ohio Valley Industrial Exposition. Prospectus of the Ohio Valley Industrial Exposition: To Be Held in the City of Cincinnati August 29 to September 24, Inclusive 1910 Representative of the Resources and Industries of the Ohio Valley and the Southland. Krehbiel Press, 1910.