Royle, E. (1980). Radicals, secularists and republicans: Popular free thought in Britain,1866-1915. Manchester U.P.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoyle, Edward. Radicals, Secularists and Republicans: Popular Free Thought in Britain,1866-1915. Manchester U.P, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoyle, Edward. Radicals, Secularists and Republicans: Popular Free Thought in Britain,1866-1915. Manchester U.P, 1980.
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