the first sociological research
... that Ann Oakley published the first sociological research that shows housework as being actual work?
... that <a href="./Ann_Oakley" id="mwAgs" rel="mw:WikiLink" title="Ann Oakley">Ann Oakley</a> published <b id="mwAgw"><a href="./The_Sociology_of_Housework" id="mwAg0" rel="mw:WikiLink" title="The Sociology of Housework">the first sociological research</a></b> that shows <a href="./Homemaking" id="mwAg4" rel="mw:WikiLink" title="Homemaking">housework</a> as being actual work?