Peta Kampung Kuchai, 1930: “This is the left portion of the map showing Mukim and town boundaries, lot numbers, buildings, roads with names, railways, rivers, river diversion under construction, drains, ponds, lands held under Grant Certifcate of Title or Lease, mining leases and reserve lands, Sungei Kinta, Sungei Pari, and others” (Surveyor-General, Federated Malay States (F.M.S.) and Straits Settlements (S.S.) @ Survey Department, Singapore; 测量局; Singapore. Survey Department, 1930: |"Town Of Ipoh, Perak, Federated Malay States,1930").

Peta Kampung Kuchai, 1945: “Town plan of Ipoh showing transportation, water features, communications, built-up areas and buildings ; At top of map: Malaya ; “Prime meridian: Greenwich.” ; ”(HIND 1073).“ ; “W.O. second edition, HIND first edition.”” (Great Britain. War Office, 1945 @ University of Wisconsin-Milwaukee Libraries: |"Town plan of Ipoh / drawn and photolithographed by War Office").