21
by Weise, Wilhelm
Published 1878
Springer Berlin Heidelberg

22
by Bernhardt, August
Published 1872
Springer Berlin Heidelberg

28
Published 1985
Springer US

29
Published 1979
Springer US

30
Published 1981
Springer US

31
Published 1982
Springer US

32
Published 1983
Springer US

33
Published 1977
Springer US

34
Published 2002
Springer US

35
Published 2000
Springer US

36
by Gwatkin, Ralph
Published 1977
Springer US

37
Published 1985
Springer US

38
Published 1984
Springer US

39
by Kessell, S. R.
Published 1979
Springer New York