This article summarizes in a mere three columns the social conventions of Washington D.C. in 1921 and it covers the rules that the First Lady and the Vice-President's wife were expected to abide by as well as the proper manner of accepting White House invitations.
"The Chief Justice of the Supreme Court is not invited to dine with an Ambassador, or a foreign Minister, or the Secretary of State, because their relative rank has never been established."
Click here to read an article about social Washington during the Depression.