Untersuchungen zu Schwachen Logiken der Zweiten Stufe. - Eberhard Herrmann; Helmut Wolter (Math. Log. Q., 1980)

Orbits of Hyperhypersimple Sets and the Lattice of Sigma03 Sets. - Eberhard Herrmann (J. Symb. Log., 1983)

Definable Structures in the Lattice of Recursively Enumerable Sets. - Eberhard Herrmann (J. Symb. Log., 1984)

The Index Set {e: We 1 X}. - Eberhard Herrmann (J. Symb. Log., 1986)

1-Reducibility Inside an m-Degree with a Maximal Set. - Eberhard Herrmann (J. Symb. Log., 1992)

Diagonals and D-Maximal Sets. - Eberhard Herrmann; Martin Kummer (J. Symb. Log., 1994)

Some orbits for E. - Peter Cholak; Rodney G. Downey; Eberhard Herrmann (Ann. Pure Appl. Log., 2001)

Infinite Chains and Antichains in Computable Partial Orderings. - Eberhard Herrmann (J. Symb. Log., 2001)