Population Census 1960, 7th April 1960: Summary tables. [1] Barbados. Summary tables 1-19. [2] British Guiana. pt. A. Summary tables 1-11. pt. B. Summary tables 12-19. [3] Trinidad and Tobago. pt. A. Summary tables 1-11. pt. B. Summary tables 12-19. [4] Windward Islands. Summary tables 1-19