Further information about Miyagawa Kozan can be found in the two following articles:
Clare Pollard, 'Miyagawa Kozan (1842-1916)', in The Nasser D. Khalili Collection of Japanese Art, edited by Oliver Impey and Malcolm Fairley, vol. 5, pt. 2 (London, 1995), pp. 40-63; and Kathleen Emerson-Dell, Bridging East and West: Japanese Ceramics from the Kozan Studio (Baltimore, 1994); see especially pp. 16-19.