Margaret Kropholler (cover designer), Wendingen, series 10, no. 5-6, 1930.
Margaret Staal-Kropholler, frequently referred to as Margaret Kropholler, (1891–1966) was the first woman in the Netherlands to practice as a professional architect. See more issues of Wendingen in the Online Archive: https://oa.letterformarchive.org/?dims=Periodical&vals0=Wendigen%20magazine&sortby=decade