$1!KH!>4!M"!X)!\Ts - $1!V#'U<s; $1!4a!>#!1Ws ($1!a)!H$ (B: s $1!8<!M^3BD!BX!V1!3K!JH!Na(B, s, 1971)
Keywords: Christianity 20th century; Philosophy, Modern 20th century; Philosophy, Modern History