Leipzig, Phil. Diss. v. 21. Juli 1911, Ref. Beckmann, Hantzsch.Mode of access: Internet
Inaug.-diss.-Leipzig, 1911."Literaturverzeichnis", p. 58.Mode of access: Internet
Leipzig, Phil. Diss. V. 29. Aug. 1912. Ref. Hantzsch, Paal.Mode of access: Internet
Leipzig, Phil. Diss. v. 14. Juli 1914, Ref. Lamprecht, Seeliger.Mode of access: Internet
Leipzig, Phil. Diss. v. 28. Juli 1911, Ref. Hantzsch, Beckmann.Mode of access: Internet
Leipzig, Phil. Diss. v. 25. Nov. 1911, Ref. Beckmann, Hantzsch.Mode of access: Internet
Leipzig, Phil. Diss. v. 4. Mai 1912, Ref. Le Blanc, Beckmann.Mode of access: Internet
Inaug.-diss. - Leipzig, 1913."Literaturverzeichnis": p. 46-47.Mode of access: Internet
Leipzig, Phil. Diss. v. 27. Febr. 1911, Ref. Hantzsch, Beckmann.Mode of access: Internet
Inaug.-diss. - Leipzig, 1912."Literaturverzeichnis": p. [39]Mode of access: Internet
Leipzig, Jur. Diss. v. 25. Nov. 1910Literaturverzeichnis: p. [vii]-x.Mode of access: Internet
Inaug.-Diss.--Universität Leipzig, 1911.Bibliography: p. [vi].Mode of access: Internet
Berlin, Phil. Diss. v. 9. April 1913, Ref. Beckmann, Gabriel.Mode of access: Internet
Leipzig, Phil. Fak., Ref. Hantzsch, Beckmann, Diss. v. 18. Juni 1906.Mode of access: Internet
Leipzig, Phil. Fak., Ref. Hantzsch-Beckmann, Diss. v. 13. Mai 1907.Mode of access: Internet
Leipzig, Phil. Diss. v. 11. Juni 1917, Ref. Volkelt, Barth.Mode of access: Internet
Inaug.-diss.-Leipzig, 1911."Literaturverzeichnis", p. 58.Mode of access: Internet
Leipzig, Phil. Diss. V. 29. Aug. 1912. Ref. Hantzsch, Paal.Mode of access: Internet
Leipzig, Phil. Diss. v. 14. Juli 1914, Ref. Lamprecht, Seeliger.Mode of access: Internet
Leipzig, Phil. Diss. v. 28. Juli 1911, Ref. Hantzsch, Beckmann.Mode of access: Internet
Leipzig, Phil. Diss. v. 25. Nov. 1911, Ref. Beckmann, Hantzsch.Mode of access: Internet
Leipzig, Phil. Diss. v. 4. Mai 1912, Ref. Le Blanc, Beckmann.Mode of access: Internet
Inaug.-diss. - Leipzig, 1913."Literaturverzeichnis": p. 46-47.Mode of access: Internet
Leipzig, Phil. Diss. v. 27. Febr. 1911, Ref. Hantzsch, Beckmann.Mode of access: Internet
Inaug.-diss. - Leipzig, 1912."Literaturverzeichnis": p. [39]Mode of access: Internet
Leipzig, Jur. Diss. v. 25. Nov. 1910Literaturverzeichnis: p. [vii]-x.Mode of access: Internet
Inaug.-Diss.--Universität Leipzig, 1911.Bibliography: p. [vi].Mode of access: Internet
Berlin, Phil. Diss. v. 9. April 1913, Ref. Beckmann, Gabriel.Mode of access: Internet
Leipzig, Phil. Fak., Ref. Hantzsch, Beckmann, Diss. v. 18. Juni 1906.Mode of access: Internet
Leipzig, Phil. Fak., Ref. Hantzsch-Beckmann, Diss. v. 13. Mai 1907.Mode of access: Internet
Leipzig, Phil. Diss. v. 11. Juni 1917, Ref. Volkelt, Barth.Mode of access: Internet
Inaug.-diss.-Leipzig, 1911."Literaturverzeichnis", p. 58.Mode of access: Internet
Leipzig, Phil. Diss. V. 29. Aug. 1912. Ref. Hantzsch, Paal.Mode of access: Internet
Leipzig, Phil. Diss. v. 14. Juli 1914, Ref. Lamprecht, Seeliger.Mode of access: Internet