Title: Cheaper by the dozen
Subjects: Industrial engineers, Biography, Gilbreth, frank bunker, 1868-1924, Gilbreth, lillian moller, 1878-1972, Engineers, biography, United states, biography, American wit and humor, marriage and family life, Family life, Gilbreth family
Places: United States
People: Frank Bunker Gilbreth (1868-1924), Lillian Moller Gilbreth (1878-1972)