Buddhist nuns writing at desks

Man with an abacus writing in an account book in a lantern-making shop

Man calculating with an abacus in a lantern-making shop

Grain merchant at a desk calculating with an abacus and writing in an acount book

Kitchen of Niu Rou Wan, a Muslim grilled-beef restaurant, showing a worker using an abacus

Two photographs: A curious crowd looking through a window at foreigners (some children frightened by the camera)

A studio tableau of accountants or businessmen