11. Cephalothoracopagus conjoined twins Publication: [between 1820 and 1840] Subject(s): Twins, ConjoinedCongenital Abnormalities
12. Dissection of a headless pig fetus Publication: [between 1820 and 1840] Subject(s): Congenital AbnormalitiesSwineFetusDissection
13. Bicephalus conjoined twins Publication: [between 1820 and 1840] Subject(s): Twins, ConjoinedCongenital Abnormalities
14. Dissection of a headless pig fetus Publication: [between 1820 and 1840] Subject(s): Congenital AbnormalitiesSwineFetusDissection