J.Drummond Robertson, The Evolution of Clockwork, with special section on the clocks of Japan, 1st. ed., London, 1931; Britten, Old clocks and watches and their makers, 7th. ed., 1969; C.Allix & P. Bonnert, Carriage clocks, their history and their development, 1st. ed., Woodbridge, 1974, with original dust jacket; N.H.N. Mody, Japanese Clocks, original dust jacket and card slip case (4)