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Books by "Selwyn De Witt Collins"

3 books found

The Consolidation and Control of the Electrical Means of Communication

The Consolidation and Control of the Electrical Means of Communication

by Selwyn De Witt Collins

1915

An Epidemiological and Statistical Study of Tonsilitis

An Epidemiological and Statistical Study of Tonsilitis

by Selwyn De Witt Collins

1928

Major Causes of Illness of Various Severities and Major Causes of Death in Six Age Periods of Life

Major Causes of Illness of Various Severities and Major Causes of Death in Six Age Periods of Life

by Selwyn De Witt Collins, Josephine L. Lehmann, Katharine S. Trantham

1955