- Dictionary of the History of Ideas, New York : 1973-4. 4 b. UHS Ref3 103 Dic (Online)
- New Dictionary of the History of Ideas, Detroit : 2005. 6 b. UHS Ref3 103 New (Online)
- Der Kleine Pauly : Lexikon der Antike, München : 1979. 5 b. UHS Ref3 880.03 Kle
- Cambridge Companions (Online) - 600 oversiktsverk innen humaniora
- Kulturhistorisk leksikon for nordisk middelalder, 1980-1982. - 22 b. UHS Ref3 948.0203 Kul