Sunshine and health,
Macfie, Ronald Campbell, 1867-1931.
Sunshine and health, by Ronald Campbell Macfie. - New York, London, H. Holt and comapny; Williams and Norgate [c1927] - 256 p. 17 cm. - Home university library of modern knowledge, no. 124 .
Bibliography: p. 251-252.
27019065
Light.
Light--Physiological effect.
Sunshine.
QC357 / .M3
Sunshine and health, by Ronald Campbell Macfie. - New York, London, H. Holt and comapny; Williams and Norgate [c1927] - 256 p. 17 cm. - Home university library of modern knowledge, no. 124 .
Bibliography: p. 251-252.
27019065
Light.
Light--Physiological effect.
Sunshine.
QC357 / .M3