What to place in the drawers labeled 'this/that' and 'these/those'?

В ящик 'this/that' кладем слова, обозначающие единственное число: camera, blackboard, child, woman, foot, mouse, goose, man, leaf, ruler. В ящик 'these/those' кладем слова, обозначающие множественное число: dresses, berries, matches, buses, boxes, children, feet, women, potatoes, wolves, mice, geese, people, monkeys, scarves.