Template:IACens4149
http://www.familysearch.org/eng/library/fhlcatalog/supermainframeset.asp?display=titledetails&titleno=10984&disp=Iowa+census+records%2C+1841-1849%20%20&columns=*,0,0 FS Library Book 977.7 X22i 1841–1849; Fiche 6019963 vol. 1 only
http://www.familysearch.org/eng/library/fhlcatalog/supermainframeset.asp?display=titledetails&titleno=10984&disp=Iowa+census+records%2C+1841-1849%20%20&columns=*,0,0 FS Library Book 977.7 X22i 1841–1849; Fiche 6019963 vol. 1 only