Sexual health

Sane Sex Life and Sane Sex Living

Some Things That All Sane People Ought to Know About Sex Nature and Sex Functioning; Its Place in the Economy of Life, Its Proper Training and Righteous Exercise

H. W. (Harland William) Long

Woman

Her Sex and Love Life

William J. (William Josephus) Robinson

What a Young Husband Ought to Know

Sylvanus Stall

Self Knowledge and Guide to Sex Instruction

Vital Facts of Life for All Ages

Thomas W. (Thomas Washington) Shannon

Plain Facts for Old and Young

John Harvey Kellogg