found: His Lexicon, 1824:t.p. (...Harpocrationis)
found: Encyc. Brit., 15th ed.(Harpocration, Valerius, fl. 2nd cent. A.D.?; Greek grammarian of Alexandria)
found: Oxford classical dict., 1970(Harpocration, Valerius; date not known)
found: Lex. der alten Welt, 1965(Harpokration)
found: Seyffert, O. Dict. of classical antiq., 1956(Harpocration, Valerius; Greek scholar of Alexandria, lived probably in 2nd cent. A.D.)
found: LC class. schedule: PA3998.H14(Harpocratio, Valerius, 1st or 2nd cent. C.E.?)
found: His Oualeriou Harpokratiōnos Peri ton lexeon biblion, 1696:t.p. (... Oualeriou Harpokratiōnos)