International commercial lexicon. Internaciona komercal lexiko
Subtitle: In English, Ido, French, German, with specimen business letters
By: [By P.D. Hugon.]
Publisher: G. Pitman
Published: 1909
Place of publication: London
Language: eng
Number of pages: 79
Notes: "Linguo internaciona di la delegitaro. (Sistemo Ido)."