Frederick, II, Holy Roman Emperor, 1194–1250
Nationality: Undetermined, possibly 
(Poland)
Identities and Authority Control
- Open Library: OL430453A
- pdbooks.info ID: 28747
Holy Roman Emperor II Frederick Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| Staatsbriefe Kaiser Friedrichs des Zweiten | 1922 | Author | |  |  | | | ||