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When did John D. Hamaker die?
John D. Hamaker died in 1994.
When was Hugo Christiaan Hamaker born?
Hugo Christiaan Hamaker was born in 1905.
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 did Hugo Christiaan Hamaker die?
Hugo Christiaan Hamaker died in 1993.
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 was John D. Clark born?
John D. Clark was born on 1907-08-15.
When was John D. Finnegan born?
John D. Finnegan was born in 1949.
When was John D McHugh born?
John D McHugh was born in 1973.
When was John D. Lowry born?
John D. Lowry was born in 1932.
When was John D. Ferry born?
John D. Ferry was born in 1912.
