[Groningen]

De Ommelander Borgen & Steenhuizen. Dr. W. Formsma et al. Van Gorcum & Comp. Assen. 1973 + Boerderijenboek Stedum, Profiel, 2002 - and a collection of letters with letterheads and vignettes of various companies and factories from ca. 1900.

(total 3)