*[https://www.rlsnet.ru/mnn_index_id_357.htm Ампициллин (Ampicillin) - ''Энциклопедия лекарств и товаров аптечного ассортимента''. РЛС Патент. — Действующее вещество.]
*{{cite web| url = https://druginfo.nlm.nih.gov/drugportal/name/ampicillin | publisher = U.S. National Library of Medicine| work = Drug Information Portal | title = Ampicillin }}
*{{cite patent |country=GB |number=902703 |status=patent |title=Penicillins |pubdate=1962-08-09 |fdate=1960-08-25 |pridate=1960-08-25 |inventor=Frank Peter Doyle, John Herbert Charles Nayler, Harry Smith |assign1=Beecham Research Laboratories Ltd |url=https://worldwide.espacenet.com/publicationDetails/biblio?CC=GB&NR=902703&KC=&FT=E&locale=en_EP}}
*{{cite patent |country=US |number=2985648 |status=patent |title=Alpha-aminobenzylpenicillins |pubdate=1961-05-23 |gdate=1961-05-23 |fdate=1961-02-02 |pridate=1958-10-06 |inventor=Frank Peter Doyle, John Herbert Charles Nayler, Harry Smith |url=https://worldwide.espacenet.com/publicationDetails/biblio?CC=US&NR=2985648&KC=&FT=E&locale=en_EP}}
*{{cite patent |country=US |number=3157640 |status=patent |title=D-(-)-alpha-aminobenzylpenicillin trihydrate |pubdate=1964-11-17 |gdate=1964-11-17 |fdate=1963-03-21 |pridate=1963-03-21 |invent1=David A Johnson |invent2=Glenn A Hardcastle Jr |assign1=Bristol Myers Co |url=https://worldwide.espacenet.com/publicationDetails/biblio?CC=US&NR=3157640&KC=&FT=E&locale=en_EP}}
