Author
Niger Coast Protectorate (Nigeria)
2
Protectorate of Southern Nigeria (Nigeria)
2
Ceylon. Dept. of Census and Statistics
1
Ceylon. Dept. of Statistics
1
Ceylon. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva
1
Japan Information Center (New York, N.Y.)
1
Japan. S̄orȳojikan (New York, N.Y.). Information Office
1
Japan. Taishikan (U.S.)
1