Donald T. Critchlow, The conservative ascendancy: how the GOP right made political history (2007) s. 103. Additional examples are of online.
jstor.org
links.jstor.org
Alexander, Thomas B. ”Persistent Whiggery in the Confederate South, 1860–1877”, Journal of Southern History, vol. 27, nr 3 (aug., 1961), s. 305–329 online at JSTOR
