Pieske, M. (1981). Schnauzer. Hinstorff.
Lua i Stíl Chicago (17ú heag.)Pieske, Manfred. Schnauzer. Rostock: Hinstorff, 1981.
Lua MLA (8ú heag.)Pieske, Manfred. Schnauzer. Hinstorff, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.