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2. House-plants as sanitary agents, or, The relation of growing vegetation to health and disease: comprising also a consideration of the subject of practical floriculture, and of the sanitary influences of forests and plantations

4. Report of the Committee on Medical Topography, Meteorology, Endemics, etc: made to the Medical Society of the State of California at the annual session, held at San Francisco, in April, 1883 : forest preservation and timber cultivation