Columbus ni oluilu ati ilu to tobijulo ni ipinle Ohio ni orile-ede Amerika. "Ohio STEM Learning Network / Columbus". Retrieved 2010-06-21. [Ìjápọ̀ tí kò ṣiṣẹ́ mọ́] "A century ago, Columbus was the nation's 'Arch City'". Retrieved 2010-06-21.  "Columbus was once known as ‘Arch City’". Retrieved 2010-06-21.  "Indie Art Capital = It’s Official". Retrieved 2010-06-21.  National Geographic Magazine, March 1998, America's First Highway, pp. 82–99 (By William R. Newcott – National Geographic Senior Staff) The Cincinnati Enquirer, February 19, 2008: "Columbus Strives To Build A Big City Reputation" pp. B2 (By Julie Carr Smyth – The Associated Press) The Columbus Dispatch, November 21, 2010: "Despite its attributes, Columbus lacks a catchy moniker" pp. E1-2 (By Joe Blundo) The Columbus Dispatch, August 23, 2011: "She's no longer in Cowtown" People In The News pp. D6 The Columbus Dispatch, June 1, 1997: "Simply Bovine! Here's a moo-vable feast of cowtown facts and fancies" pp.