Before revision: Some large and notable surveys include the Language Survey of India which was begun by George Abraham Grierson late in the 19th century (Sociolinguistics research in India) and the Survey of Language Use and Language Teaching in East Africa, sponsored by the Ford Foundation from the 1960s.
After revision: Some large and notable surveys include the Linguistic Survey of India which was begun by George Abraham Grierson late in the 19th century (Sociolinguistics research in India) and the Survey of Language Use and Language Teaching in East Africa, sponsored by the Ford Foundation from the 1960s.