Bulletin 30 of the Committee of One Hundred On National Health, Being a Report On National Vitality, Its Wastes And Conservation; Prepared for the National Conservation Commission
Bulletin 30 of the Committee of One Hundred On National Health, Being a Report On National Vitality, Its Wastes And Conservation; Prepared for the National Conservation Commission
Caption title; National vitality, its wastes and conservation pt. I. The length of life versus mortality.--pt. II. The breadth of life versus invalidity.--pt. III. Methods of conserving life.--pt. IV. Results of conserving life
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