The Mother's Manual of Children's Diseases — Charles West

" ...]one of the attics perhaps, is too often destined for the little one and its nurse; or if there are two or three children, one small room is set apart for the day nursery, and a second, probably with a different aspect, for a sleeping room, and so small that it does not furnish the needed five hundred cubic feet of air for each. And as a consequence, the children are ailing, any predisposition in them to hereditary disease is fostered, they have no strength to battle against any acute illness that may befall them, and yet surprise is felt that the doctor is never ...]."