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When was John D. Hamaker born?
John D. Hamaker was born in 1914.
When did Hugo Christiaan Hamaker die?
Hugo Christiaan Hamaker died in 1993.
What has the author John D Hamaker written?
John D. Hamaker has written: 'The survival of civilization depends upon our solving three problems--carbon dioxide, investment money, and population' -- subject(s): Effect of human beings on, Food supply, Glaciers, Nature, Soil degradation
What has the author John Irvin Hamaker written?
John Irvin Hamaker has written: 'The composition of beach sand with special reference to its organic component' -- subject(s): Sand
When was Hugo Christiaan Hamaker born?
Hugo Christiaan Hamaker was born in 1905.
What has the author J I Hamaker written?
J. I. Hamaker has written: 'The principles of biology' -- subject(s): Biology
What has the author Rex G Hamaker written?
Rex G. Hamaker has written: 'The computer and small business' -- subject(s): Management
When did John D. Batten die?
John D. Batten died in 1932.
When did John D. Fredericks die?
John D. Fredericks died in 1945.
When did John D. Freeman die?
John D. Freeman died in 1886.
When did John D. Lauder die?
John D. Lauder died in 1934.
When did John D. Millett die?
John D. Millett died in 1993.
