found: His The nature and reasons of co-operation addressed to the working classes, 1828?(name not given)
found: NUC pre-56(hdg.: King, William, 1786-1865; note: Nature and reasons of co-operation also publ. as 1st no. of the Co-operator, May 1, 1828)
found: Boase. Mod. Eng. biog.(King, William; b. 4-17-1786; d. 10-19-1865; M.D. 1819; wrote small monthly periodical entitled The Co-operator, May 1828 to July 1830)
found: MdU/G-K files(usage: K.; W.K.; a co-operator; W. King)
found: BLC to 1975(hdgs.: King, William, M.D., of Brighton; King, William, of Charlotte Street, Portland Place)