[91] Headland, Chinese boy and girl, 51.
[92] Lee, When I was a boy in China, 40.
[93] Headland, Chinese boys and girls, 80.
[94] Williams, Middle kingdom, II, 89.
[95] Williams, Middle kingdom, II, 41.
[96] Lee, When I was a boy in China, 70.
[97] Martin, The Chinese, 71.
[98] Martin, The Chinese, 62.
[99] Smith, Village life in China, 73.
[100] Smith, Village life in China, 80.