Theodor Weber Porta nigra in Trier, Theodor Alexander Weber, 1877
Porta nigra in trier. Drawn by theodor weber. Xylograph by a. Cloß. Illustration in: die rheinfahrt. Von den quellen des rheins bis zum meere. Stuttgart, verlag von a. Kröner 1876. Here after: picture album on the recent history of woodcuts in germany. Published by the albertverein. With text by herm. Lücke. Leipzig: ea seemann 1877, p. 61. Date: 1877. Medium: woodcut print.