Social Hygiene, which commissioned this study in response to the white slave trade investigations in 1910. With an introduction by John D. Rockefeller Jr., the text outlines the Bureau's aim to create a permanent organization that could address the social problems related to vice. Kneeland details the research methods employed, including direct visits to numerous parlor houses, which are specifically examined in the opening chapters. He meticulously describes various establishments involved in prostitution, their management, and the socioeconomic dynamics at play, setting a serious tone for the comprehensive investigation of commercialized vice. (This is an automatically generated summary.)