Australia
Australian Dictionary of Biography https://adb.anu.edu.au/
Belgium
La Biographie nationale, Belgique : https://www.academieroyale.be/
France
Index Biographique Francais (hardcopy, Perkins Ref) CT 103.I53 1998
Germany
Neue Deutsche Biographie (hardcopy, Perkins Ref) CT 1053.N4 1953
Deutscher biographischer Index = German biographical index. PERKINS refCT1054 .D48 1998
Deutsche biographische Enzyklopädie : (DBE) (Perkins Ref) CT759 .D48 1995
Italy
Dizionario biografico degli Italiani (hardcopy, 96 vols) CT1123 .D5 1960 [only up to T's]
Indice biografico italiano (hardcopy, Perkins Ref) CT 1123.I53 2001 - Index of where Italian biographies can be located in sources. A two-step index.
UK/Britain
Oxford Dictionary of National Biography
United States
American National Biography (hard copy, 25 vols. Perkins Ref CT213 .A68, 1999)
Global
Prabook.com - these may come up on google searches
