Hildegarde Withers enters the men's room: getting things done like a woman in the depression-era detective film series?

The article discusses the Hildegarde Withers detective film series that were based on novels and short stories by Stuart Palmer. It mentions that the first three films starred Edna May Oliver and the fourth featured Helen Broderick as the prickly and implacable Miss Withers; the detective series films such as "The Penguin Pool Murder" and the "Female"; and the challenges to accepted gender occupations depicted in many ‘A' and ‘B' movies from the 1930s.