Im Ruhrgebiet (In the Ruhr)

Relief halftone and letterpress on tracing paper

Photomechanical print black ink on coated and uncoated off-white wove paper; black wove endpapers; red ink on yellow cloth binding

Offset photolithographs in cloth-covered, hardbound book

2 folded sheets, mechanically printed on both sides on off-white wove paper

Mechanically printed on off-white wove paper

black ink on off-white wove paper; black, red, blue and yellow ink on coated off-white wove paper; card and paper binding

Photomechanical print in red, blue and black ink on white paper and silver foil-covered cardboard

Photomechanical print in black and red inks on paper