Theosophical Publishing Society, London, 1920.

Leiderman, Herbert et al, “Sensory Deprivation,”

Archives of Internal Medicine,

February 1958. “Light and Medicine,”

M.D.,

June 1976.

Logan, Henry L., “Outdoor Light for the Indoor Environment,”

The Designer,

November 1970.

Loomis, W. F., “Rickets,”

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