BAK 1969 Boston, MA
BAK . Denkmäler unserer Träume Rolf Kallenbach 1977 München, p. 127, ill. 7.
BAK paintings of the last decade Paul T. Nagano, A. Kaufman 1976 New York, NY, p. 126, ill.
BAK Paul T. Nagano 1969 Boston, MA, ill.