Middle age - Psychological aspects.

The creative age :awakening human potential in the second half of life / by: (書目-語言資料,印刷品)

The third age :six principles of growth and renewal after forty / by: (書目-語言資料,印刷品)

Lighter as we go :virtues, character strengths, and aging / by: (書目-語言資料,印刷品)

Well-being- Age factors.

Middle age- Psychological aspects.

Middle-aged persons- Psychology.

Self-actualization (Psychology) in middle age.

Middle aged persons.

Midlife crisis.

Aging- Psychological aspects.

Middle age.

Middle age- Social aspects.

Older people- Psychology.

Conduct of life.

Aging- Social aspects.

Creative ability in old age.