[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