Willy Brandt : a portrait of the German chancellor / Hermann Otto Bolesch, Hans Dieter Leicht. - Bolesch, Hermann Otto. (OLS)http://pul/name/93318; Leicht, Hans Dieter. (OLS)http://pul/name/93319 (Horst Erdmann, 1971)
Bibliografia in nota.

Hieronymi de viris inlustribus liber : accedit Gennadii Catalogus virorum inlustrium / ex recensione Guilelmi Herdingii. - Hieronymus, s., 342/347-419. (OLS)http://pul/name/3875; Herding, Wilhelm. (OLS)http://pul/name/15336; Gennadius Massiliensis, attivo secolo 5., De viris illustribus. (OLS)http://pul/name/15335 (in aedibus B. G. Teubneri, 1879)