Games, 1941. RRd0071 / 20277i Wellcome Library; They carry disease from filth to food. Kill all flies. You owe it to yourself. Your comrades. Your efficiency. A. Games. R.E. Bears number: 51-1846 ...

The use and meaning of colour can vary depending on where artists and their audiences come from. Image caption, Watch Out! There’s a Thief About, 1968, Central Office of Information poster ...