Diphtheria Notice, 1940. Material: paper. Size: 8 1/2" W. x 11" L. Description: white cardstock - black printed letterpress poster from the Minnesota Health Department - announcement: "Diphtheria Exists On These Premises, All Persons except attending physicians are forbidden to go into or away from this house or to carry anything away from the house without the permission of the health officer. The occupants of this house will be held responsible for the unauthorized removal of this card."
