Alphabetical index to the classification of German patents.
Alphabetisches stichwörterverzeichnis of 1914.
Comp. by the German Patent Office. Tr. by N. E. Kuhlmann, official translator, U. S. Patent Office, under the direction of James T. Newton, commissioner of patents.

APA Citation

Germany. Reichspatentamt., Kuhlmann, N. Emma. (1919). Alphabetical index to the classification of German patents: Alphabetisches stichwörterverzeichnis of 1914. Washington: Govt. Print. Off..

MLA Citation

Germany. Reichspatentamt, and Nanny Emma Kuhlmann. Alphabetical Index to the Classification of German Patents: Alphabetisches Stichwörterverzeichnis of 1914. Washington: Govt. Print. Off., 1919.

Warning: These citations may not always be complete (especially for serials).