Wikipedia - Ong, Nebraska - Encyclopedia article provides a brief geography and demographics of this village. - http://en.wikipedia.org/wiki/Ong,_Nebraska
CASDE | Ong -- Clay County - Platted in 1886 and was one of the designated stations on the Burlington and Missouri River Railroad. Includes its history, with photographs. - http://casde.unl.edu/history/counties/clay/ong/