This blog hosts information about "American Colossus: The Grain Elevator 1843 to 1943," written by William J. Brown and published by Colossal Books in February 2009. Buy a copy today!
According to SUNY at Buffalo professor Lynda Schneekloth, writing in the 20 January 2011 issue of Artvoice, "the grand volume on the history of the type [is] by William Brown, American Colossus: The Grain Elevator (2009)." Thanks, Lynda!