ペール・クローグ
Nergaard, Trygve Bilder av Per Krohg (Aschehoug. 2000) ISBN 82-03-22447-4
Hölaas, O. Per Krohg. A retrospective loan exhibition of oil paintings (New York: Galerie St. Etienne, 1954)
Langaard, Johan Per Krohg (Glendendal Norsk Forlat. 1931)