HQ1-2044

The Family. Marriage. Women

HQ12-449

Sexual life

HQ19-30.7

Sexual behavior and attitudes. Sexuality

HQ31-64

Sex instruction and sexual ethics

HQ71-72

Sexual deviations

HQ74-74.2

Bisexuality

HQ75-76.8

Homosexuality. Lesbianism

HQ77-77.2

Transvestism

HQ77.7-77.95

Transexualism

HQ79

Sadism. Masochism. Fetishism, etc.

HQ101-440.7

Prostitution

HQ447

Masturbation

HQ449

Emasculation. Eunuchs, etc.

HQ450-472

Erotica

HQ800-800.4

Single people

HQ801-801.83

Man-woman relationships

HQ802

Marriage brokerage

HQ802.5

Matrimonial advertisements

HQ803

Temporary marriage. Trial marriage. Companionate marriage

HQ806

Adultery

HQ811-960.7

Divorce

HQ961-967

Free love

HQ981-996

Polygamy

HQ997

Polyandry

HQ1001-1006

The state and marriage

HQ1051-1057

The church and marriage

HQ1075-1075.5

Sex role

HQ1088-1090.7

Men

HQ1101-2030.7

Women. Feminism

HQ1871-2030.7

Women's clubs