▁The ories , ▁by ▁John ▁Finn is , ▁ 2 0 0 7 . ▁ ▁Internet ▁Encyclopedia ▁of ▁Philosoph y ▁Entry ▁' N atural ▁Law ' ▁by ▁Kenneth ▁Ein ar ▁Him ma ▁ ▁Aqu inas ▁on ▁natural ▁law ▁ ▁Natural ▁Law ▁explained , ▁evaluated ▁and ▁applied ▁A ▁clear ▁introduction ▁to ▁Natural ▁Law ▁ ▁Jonathan ▁Dol h enty , ▁Ph . D ., ▁" An ▁Over view ▁of ▁Natural ▁Law " ▁ ▁Catholic ▁Encyclopedia ▁" N atural ▁Law " ▁ ▁Mc El roy , ▁Wend y ▁" The ▁Non - Ab sur d ity ▁of ▁Natural ▁Law ", ▁The ▁Fre eman ' ', ▁February ▁ 1 9 9 8 , ▁Vol . ▁ 4 8 , ▁No . ▁ 2 , ▁pp .   1 0 8 – 1 1 ▁ ▁John ▁W ij ng a ards , ▁" The ▁controvers y ▁of ▁Natural ▁Law ". ▁ ▁Lex ▁Natur alis , ▁I us ▁Natur alis : ▁Law ▁as ▁Pos itive ▁Re ason ing ▁and ▁Natural ▁R ational ity ▁by ▁Eric ▁Eng le , ▁( E lias ▁Clar ke , ▁ 2 0 1 0 ). ▁▁▁ ▁Category : Th om istic ▁juris pr ud ence ▁Category : E th ical ▁theories <0x0A> </s> ▁Sir ▁Howard ▁Frank ▁T ray ton ▁Smith , ▁ ▁( 1 5 ▁October ▁ 1 9 1 9 ▁– ▁ 7 ▁May ▁ 1 9 9 6 ) ▁was ▁a ▁British ▁diplom at . ▁ ▁Career ▁Edu c ated ▁at ▁Sid ney ▁Sus sex ▁College , ▁Cambridge , ▁Smith ▁worked ▁at