▁been ▁compiled ▁in ▁Reg ens burg , ▁the ▁list ▁seems ▁to ▁have ▁been ▁taken ▁from ▁, ▁recorded ▁in ▁the ▁ 9 th ▁century ▁in ▁the ▁library ▁of ▁the ▁Reich en au ▁Ab bey ▁and ▁named ▁after ▁a ▁local ▁li br arian . ▁Based ▁on ▁these ▁find ings , ▁Bern hard ▁B isch off ▁attributes ▁it ▁to ▁a ▁mon k ▁active ▁at ▁Reich en au ▁from ▁the ▁ 8 3 0 s ▁to ▁ 8 5 0 s . ▁Aleks andr ▁Naz aren ko ▁finds ▁it ▁more ▁probable ▁that ▁the ▁list ▁was ▁composed ▁in ▁the ▁ 8 7 0 s , ▁when ▁Saint ▁Method ius ▁is ▁believed ▁to ▁have ▁res ided ▁at ▁Reich en au . ▁The ▁document ▁may ▁have ▁been ▁connected ▁with ▁his ▁miss ions ▁in ▁the ▁S lav ic ▁lands . ▁Henry k ▁Ł ow m ia ński ▁demonstrated ▁that ▁the ▁list ▁consists ▁of ▁two ▁parts , ▁which ▁may ▁be ▁dat able ▁to ▁different ▁periods ▁and ▁attributed ▁to ▁distinct ▁authors . ▁ ▁References ▁ ▁Further ▁reading ▁▁▁ ▁Le ▁comte ▁du ▁Bu at , ▁, ▁T . ▁ 1 1 . ▁Paris ▁ 1 7 7 2 ▁ ▁Jan ▁Pot ock i , ▁, ▁Brun sv ic ▁ 1 7 9 6 ▁ ▁V . ▁von ▁K elt sch , ▁, ▁ 2 3 ▁( 1 8 8 6 ), ▁s . ▁ 5 0 7 ▁n . ▁ ▁A . ▁K rá li č ek , ▁ ▁( 1 8 9 8 ), ▁pp .   2 1 6 – 2 3