Watson, Alfred William, Sir, 1870-1936 Friendly society finance considered in its actuarial aspect / a course of lectures by Alfred William Watson ... delivered at the Institute of Actuaries... 1911-12 - London : Charles and Edwin Layton, 1912 - 132 p. ; 21 cm. Includes index Subjects--Topical Terms: Risk (Insurance)--Mathematical modelsInsuranceInsurance--Mathematics Dewey Class. No.: 368.01