▁orth ography . ▁He ▁gave ▁the ▁theoretical ▁background ▁to ▁Kar ad ž ić ' s ▁concepts ▁in ▁his ▁numerous ▁lingu istic ▁works . ▁ ▁D ani č ić ▁also ▁studied ▁the ▁older ▁Ser bian ▁literature ▁and ▁his ▁re da ctions ▁of ▁old ▁manuscript s ▁are ▁still ▁in ▁use , ▁like ▁The od oss us ' ▁H agi ography ▁of ▁Saint ▁S ava ▁( 1 8 6 0 ), ▁D oment ian ' s ▁H agi ograph ies ▁of ▁Saint ▁S ime on ▁and ▁Saint ▁S ava ▁( 1 8 6 5 ), ▁G osp els ▁of ▁Nicholas ▁( N ik ol j sko ▁je van đ el je ) ▁( 1 8 6 4 ), ▁L ives ▁of ▁Kings ▁and ▁Arch b ish ops ▁Ser bian ▁( 1 8 6 6 ) ▁and ▁numerous ▁others . ▁ ▁D ani č ić ▁started ▁scientific ▁work ▁as ▁supp orter ▁of ▁Kar ad ž ić ' s ▁ideas ▁of ▁lingu istic ▁pan - Ser b ism ▁( att ribution ▁of ▁S ht ok av ian ▁dialect ▁and ▁written ▁her itage ▁to ▁Ser bian ▁eth nos ). ▁His ▁early ▁works ▁were ▁ost ens ibly ▁devoted ▁to ▁" Ser bs ▁of ▁Catholic ▁faith ", ▁for ▁which ▁he ▁was ▁critic ized ▁by ▁young ▁V at ros lav ▁Jag ić . ▁In ▁ 1 8 5 7 , ▁he ▁published ▁" D iffer ences ▁between ▁L anguages ▁Ser bian ▁and ▁Cro at ian " ▁( written ▁using ▁the ▁old ▁orth ography ) ▁where ▁he ▁identified ▁Cro at ian ▁with ▁the