By na
By C E B Cranfield
By g.s kerk & j, E, Raven
By N/A
By CHRISOPH H. SCHREUER
By Unknown
By RALPH TODHUNTER
By R.J.W CRABBE, F.I.A
By J.H GUNLAKE
By R.K LOCHHEAD
By c.e weatherburn
By c.h.l brown
By Norman Benz, M.A, F.I.A, H.J Tappenden, F..I.A
By L.G Whyte
By Tetley
By Anderson
By Peter Cox
By G. G. Coulton
By Jack C Richards
By Various Authors
By David Sang
By Colin Renfrew
By E.F. Spurgeon
By Institute of Actuaries