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Books about Motonaga:
Between Action and the Unknown: The Art of Kazuo Shiraga and Sadamasa Motonaga (Dallas Museum of Art Publications... by Gabriel Ritter, Koichi Kawasaki, Namiko Kunimoto and Ryo Sawayama (Feb 24, 2015)
Tenpu roro: E to sho no taiwa : Sakaki Bakuzan vs Motonaga Sadamasa (Japanese Edition) by Bakuzan Sakaki
Heiancho Kana Meiseki Senshu (Dai San Kan): Minamoto no Toshiyori, Motonaga Hon Kokonshu by Shogei Bunka In (1972)
Sadamasa Motonaga Prints Works 1961-1987 by Motonaga) (1987)
Wiki information Motonaga:
Keitarou Motonaga is a film director.