Saidaiji-bon Konkōmyō saishōōkyō koten no kokugogakuteki kenkyū - Kasuga, Masaji (Benseisha, 1985)
"Kasuga Masaji chosakushū bekkan.". - Reprint. Originally published: Tōkyō : Iwanami Shoten, 1942. With new introd. - Includes indexes