http://www.billbentgen.com/bass/players/simandl.htm
He died in 1912 so it's just touching the 20th century. I will look at the Tarantella and see if it has any dates or Edits mentioned.
EDIT(3/4/06): Ok, this was edited by Fred Zimmerman. The piece is Opus 73. I have no clue when it was actually written, sorry.
also;
http://en.wikipedia.org/wiki/Gustav_Mahler
I'm doing Mahler I at the end of this month and I have the solo..
Also for Solo the new piece called
Harbison that's being performed around the country. That's a modern piece if I ever heard one!
Just
Google it. Plenty to find on the 'net.