Agnes F. Vandome (Editor)
Contribution by Eckhard Barlehner
Contribution by F. Bohmer
Contribution by R. Bittner
Contribution by R. Schmitz
E. Barlehner
F. Kockerling
F. R. Bittner
F. Rosanne Bittner
Frederic P. Miller (Editor)
H. P. Bruch
John McBrewster (Editor)
Lambert M. Surhone
Lambert M. Surhone (Editor)
Ludwig van Beethoven
Mariam T. Tennoe (Editor)
Miriam T. Timpledon (Editor)
Reinhard Bittner
Source Wikipedia
Susan F. Marseken (Editor)