Eduard Meyer,
1911 Encyclopædia Britannica, Volume 20…
(1911)
“ He always calls himself Arsaces Pacorus. This mention of his proper name, together with the royal name Arsaces, shows that his kingdom was disputed by rivals. Two of them we know from coins—Vologaeses IL, who appears from 77-79 and again from 111-146, and Artabanus III. in 80 and 81. Pacorus may have died about 105 ”
