G. P. Putnam’s Sons, London, 1924.

Rood, Ogden,

Modern Chromatics (1879), edited and annotated by Faber Birren, Van Nostrand Reinhold Co., New York, 1973.

Rothney, William B., “Rumination and Spasmus Nutans,”

Hospital Practice,

September 1969.

Rubin, Herbert E. and Elias Katz, “Auroratone Films for the Treatment of Psychotic Depressions in an Army General Hospital,”

Journal Clinical Psychology,

October 1946.

Russell, Edward D.,

Bog aan la aqoon