thumb|Leo Anton Karl de Ball.

{| class="wikitable" align="right" style="margin: 1em; margin-top: 0; font-size: 0.9em;"

|+ Asteroids discovered: 1

</references> <!-- end of reflist -->

  • http://kuffner-sternwarte.at/sternwarte/vks_ksw_ldball.html
  • http://hw.oeaw.ac.at/oebl/oebl_D/DeBall_Leo-Anton-Karl_1853_1916.xml