Johannes Emil Otto Klatt (31 January 1852 in Wieleń – 28 August 1908, Bonn) was a Prussian-German Indologist and librarian who studied the history of Jainism in India.
Johannes Klatt was born on 31 January 1852 in Filehne (now Wieleń), in the Prussian Province of Posen.
[1] His magnum opus, the Jaina-Onomasticon, was a comprehensive bibliography listing names of Jain authors, texts, and toponyms, as well as biographies.
[2] The Jaina-Onomasticon was edited and published in 2016 by Peter Flügel and Kornelius Krümpelmann.
[1] Below is a list of works by Johannes Emil Klatt, as given by Flügel (2011).