1958-09-13
1958-10-25
1958-11-29
1958-12-31
1959-01-28
1959-02-25
1959-03-25
1959-04-22
1959-05-20
1960-01-01
1960-01-06
1960-01-09
1960-01-13
1960-01-16
1960-01-20
1960-01-23
1960-01-27
1960-01-30
1960-02-03
1960-02-06
1960-03-29
as Lehmann
as Schulze
as Professor
1958
