Gregory, Stephen (2004). "Birks, Thomas Rawson (1810–1883)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2458. (subscription required)
A recent study considered Birks and Maurice to have "significant parallels": Brown, Ralph (2007). "Victorian Anglican Evangelicalism: the radical legacy of Edward Irving". Journal of Ecclesiastical History. 58 (4): 675–704. doi:10.1017/S002204690600889X.