Empire survey review.
Great Britain.Crown Agents for the Colonies.
Great Britain.Crown Agents for Overseas Governments and Administrations.
London : published for the Secretary of State for the Colonies by the Crown Agents for the Colonies,
1931-1962.
Published by the Crown Agents for the Colonies, July 1931-Apr. 1954; by the Crown Agents for Oversea Governments and Administrations, July 1954-Oct. 1962.
Surveying
Geodesy
Survey review