Social life and customs 11 Manners and customs 7 History 6 Young women 6 Sisters 4 Families 3 Magic 3 more ... Man-woman relationships 3 Motherless families 3 Social classes 3 Widows 3 Wizards 3 World War, 1939-1945 3 Americans 2 Cold War 2 Fathers and daughters 2 Hogwarts School of Witchcraft and Wizardry (Imaginary organization) 2 Hungarians 2 Interpersonal relations 2 Jews 2 Love triangles 2 Married people 2 Mate selection 2 Novelists 2 Rejection (Psychology) 2 Schools 2 Ship captains 2 Social conditions 2 Triangles (Interpersonal relations) 2 Widowers 2 less ...