[CITATION][C] Delphi, by Frederik Poulsen... Translated by GC Richards... with a Preface by Percy Gardner...
F Poulsen - 1920 - Gyldendal
[CITATION][C] Delphi (translated by GC Richards)
F Poulsen - 1920 - London
[CITATION][C] Delphi, trans
F Poulsen - GC Richards. London, 1920
[CITATION][C] Delphi (Trans. by Richards), London, 1920." Greek and Roman Portraits in English Country Houses
F Poulsen - 1923 - Oxford