Sheldon G. Cohen (1 Jan 1996). "Peter I/Peter the Great (1672-1725), Russian Czar". Allergy and Asthma Proceedings (بالإنجليزية). 17 (1): 47–49. ISSN:1088-5412. PMID:8814941. QID:Q48875005.
Sheldon G. Cohen (1 Jan 1996). "Peter I/Peter the Great (1672-1725), Russian Czar". Allergy and Asthma Proceedings (بالإنجليزية). 17 (1): 47–49. ISSN:1088-5412. PMID:8814941. QID:Q48875005.
Sheldon G. Cohen (1 Jan 1996). "Peter I/Peter the Great (1672-1725), Russian Czar". Allergy and Asthma Proceedings (بالإنجليزية). 17 (1): 47–49. ISSN:1088-5412. PMID:8814941. QID:Q48875005.