“When a married woman calls upon another married woman and finds her out, she leaves three cards – one of her own and two of her husband’s. If the lady of the house is a widow or a spinster she will leave only one card of her husband’s. In no case does a lady leave her card upon a gentleman….”
(From The Book of Etiquette by Lady Troubridge, 1887 – 1963)
John Lentell
11th September, 1969