Columbia subject headings:
Love--Religious aspects--Catholic Church.
Love--Religious aspects--Meditations.
Truth--Religious aspects--Christianity--Meditations.
Truth--Religious aspects--Christianity.
Harvard subject headings:
Love--Religious aspects--Catholic Church
Love--Religious aspects--Meditations.
Truth--Religious aspects--Christianity
Truth--Religious aspects--Christianity--Meditations.
Princeton subject headings:
Love--Religious aspects--Catholic Church.
Love--Religious aspects--Meditations.
Truth--Religious aspects--Christianity--Meditations.
Truth--Religious aspects--Christianity.