Before Standard Time: Distributing Time in 19th-Century AmericaDOI: info:10.1016/0083-6656(85)90014-5v. 28No. 1113–118
Stephens, Carlene E. 1985. "Before Standard Time: Distributing Time in 19th-Century America." Vistas in Astronomy, 28, (1) 113–118. https://doi.org/10.1016/0083-6656(85)90014-5.