Papers relating to the improvement of the navigation of the River Douro from its mouth to the Barca de Vilvestre in Spain - and to the maps of that river, and of the wine-district of the Alto-Douro

Förlag	År	Ort	Om boken	ISBN
Commercial printing office	1844	Utgivningsland okänt / Ej specificerat, Oporto	[20] sidor.