▁One ▁further ▁part ▁only ▁was ▁issued , ▁con cluding ▁with ▁an ▁ess ay ▁on ▁' Her edit ary ▁D ise ases ; ' ▁but ▁large ▁materials ▁were ▁left ▁for ▁the ▁remaining ▁volumes . ▁ ▁In ▁ 1 8 7 5 ▁W alf ord ▁became ▁a ▁fellow ▁of ▁the ▁Historical ▁Society ; ▁in ▁ 1 8 8 1 ▁he ▁was ▁elected ▁a ▁vice - pres ident , ▁and ▁he ▁was ▁its ▁vice - ch air man ▁during ▁the ▁quar rel s ▁that ▁all ▁but ▁led ▁to ▁its ▁dis ruption . ▁From ▁ 1 8 7 7 ▁to ▁ 1 8 8 1 ▁he ▁read ▁papers ▁before ▁it — the ▁most ▁important ▁of ▁his ▁contributions ▁being ▁an ▁' Out line ▁History ▁of ▁the ▁Han se atic ▁League ,' ▁repr int ed ▁from ▁volume ▁i x . ▁in ▁ 1 8 8 1 ▁for ▁private ▁circul ation . ▁He ▁continued ▁his ▁addresses ▁to ▁the ▁Institute ▁of ▁Act u aries ▁and ▁the ▁Statist ical ▁Society , ▁two ▁of ▁his ▁papers ▁on ▁' The ▁Fam ines ▁of ▁the ▁World ▁Past ▁and ▁Pres ent ,' ▁which ▁he ▁read ▁before ▁the ▁last ▁society , ▁being ▁repr int ed ▁in ▁ 1 8 7 9 . ▁The ▁article ▁on ▁' F am ines ' ▁in ▁the ▁new ▁edition ▁of ▁the ▁' En cyc lop ædia ▁Britannica ' ▁was ▁also ▁from ▁his ▁pen . ▁He ▁was ▁a ▁member ▁of ▁the ▁executive ▁council ▁of ▁international ▁law , ▁and ▁read ▁papers ▁to ▁the ▁members ▁at ▁their ▁meeting ▁in ▁London ▁in ▁ 1 8 7