Change of air, or, The pursuit of health : an autumnal excursion through France, Switzerland, & Italy, in the year 1829 : with observations and reflections on the moral, physical, and medicinal influence of travelling-exercise, change of scene, foreign skies, and voluntary expatriation / by James Johnson.

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Change of air, or, The pursuit of health : an autumnal excursion through France, Switzerland, & Italy, in the year 1829 : with observations and reflections on the moral, physical, and medicinal influence of travelling-exercise, change of scene, foreign skies, and voluntary expatriation / by James Johnson. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.