Wilm's opus numbers apparently went up at least as far as 244, in 1911 (a work published by Ebling of Mainz for male chorus that year gaining that number...) Eric 01:05, 3 July 2011 (UTC) (btw his opus 1, on the other side, seems to have been 6 preludes in 2 books in 1866, published by Kistner.)
