Friendly societies' security an essay on testing the condition of a friendly society, by valuation of all policies at annual or other short periods, without resorting to a professional actuary - Woollgar, John Webb (R.W. Lower, 1844)
Goldsmiths'-Kress no. 33843. - OCLC, 18357522. - Reproduction of original from Goldsmiths' Library, University of London