004990000a22002050004500 20120302053142.0 BOOK Roberts, Archbishop Black popes authority: Its use and abuse London: Longmans, 1954 xi,139p ENG Rs. Religion Christian Christianity-Religion Religion-Christian-Black Pope Pope Resigns Slaves-Sons 342085 342082 0 0 0 0 IOS IOS 2009-12-02 0 IOS-5498 2009-12-02 00:00:00 2009-12-02