[Twin printing] Two works on twin printing: (1) G. van den Bergh. Hoofdletter, tweeling- en meerlingdruk
Capital letters, twin- and multiple-print. Haarlem, H.D. Tjeenk Willink, 1958. (2) Supplement to the first work. Ibid., idem, 1960. Both works in ring binders as publ.
Good condition. (total 2)