Prochaska, Bruno, 1879- Eva und Helene, zwei fröhliche kinder. - Berlin [etc.] P. Zsolnay, 1941. - 239, [1] p. illus. 20 cm. Author's pseud., Bruno Wolfgang, at head of title. "1.-5. tausend." LCCN: af 47003920 LC Class. No.: PT2631.R7 / E85