International Congress of Free Christians and Other Religious Liberals & Bowie, W. C. (1901). Liberal religious thought at the beginning of the twentieth century: Addresses and papers at the International council of Unitarian and other liberal religious thinkers and workers, held in London, May, 1901. P. Green.
Lua i Stíl Chicago (17ú heag.)International Congress of Free Christians and Other Religious Liberals agus W. Copeland Bowie. Liberal Religious Thought at the Beginning of the Twentieth Century: Addresses and Papers at the International Council of Unitarian and Other Liberal Religious Thinkers and Workers, Held in London, May, 1901. London: P. Green, 1901.
Lua MLA (8ú heag.)International Congress of Free Christians and Other Religious Liberals agus W. Copeland Bowie. Liberal Religious Thought at the Beginning of the Twentieth Century: Addresses and Papers at the International Council of Unitarian and Other Liberal Religious Thinkers and Workers, Held in London, May, 1901. P. Green, 1901.