Yr adduned
Subtitle: marwnad i'r nofeldditectif
By: cyfieithiad gan Robat Powell.
Contributors: Powell, Robat.
Series: Cyfres yr Academi -- 4
Publisher: Yr Academi Gymreig
Published: 1976
Place of publication: [Caerdydd]
Language: wel
Number of pages: 151
Work titles: Das Versprechen.
Notes: Originally published: Zurich: Peter Schifferli Verlags, 1958.