1. Marriage and efficiency Author(s): Ramus, Carl, 1872-1963 author Publication: New York : G.P. Putnam's Sons, 1922 Subject(s): Marriage -- psychologyLoveHappiness
2. Sex conduct in marriage: (the art of maintaining love and happiness in marriage) Author(s): Bernard, Bernard, 1890- author Publication: Chicago, U.S.A. : Health and Life Publications, [1922] Subject(s): Sexual Behavior -- psychologyMarriage -- psychologyInterpersonal RelationsSpouses -- psychology
