1. Ueber die Denitrifikation. Zentr. Bakt. Parasitenk;AMPOLA G.;II. Abt.,1896
2. BERGEY D. H. 1923-1939 Bergey's Manual of Determinative Bacteriology Ist ed. 1923; 2nd ed. 1925; 3rd ed. 1930; 4th ed. 1934. Williams & Wilkins Co. Baltimore.
3. BERGEY D. H. BREED R. S. MURRAY E. G. D. HITCHENS A. P. 1939 Bergey's manual of determinative bacteriology. 5th ed. Williams & Wilkins Co. Baltimore Md.
4. BREED R. S. MURRAY E. G. D. AND HITCHENS A. P. 1948 Bergey's manual of determinative bacteriology. 6th ed. Williams & Wilkins Co. Baltimore Md.
5. Ueber Nitrat zerst 6rende Bakterien und den durch dieselben bedingten Stickstoffverlust. Zentr. Bakt. Parasitenk;BURRI R.;II. Abt.,1895