Place
- Nyasaland, Africa14
- United Kingdom, Europe10
- Northern Rhodesia, Africa7
- South Africa, Africa7
- United States, North America6
- Germany5
- India, Asia4
- Malawi, Africa4
- Rhodesia and Nyasaland, Africa4
- Tanganyika, Africa4
- Bulgaria, Europe3
- Egypt, Africa3
- Kenya, Africa3
- Korea, Republic of, Asia3
- Malaysia, Asia3
- Nigeria, Africa3
- Tanzania, Africa2
- Australia, Oceania1
- Libya, Africa1
- Pakistan, Asia1