Census Records - Carroll County
Carroll County MSGenWeb site has the 1840, 1850 and 1860 census records indexed and online for researchers. This is a wonderful website and has a great deal of information for early researchers.
1860 (partial)
SK Publications
SK Publications
They offer census records in printed publication and on CD. They have the 1840 and 1850 census books for sale for $20 and $40 respectively. They also offer the 1840 and 1850 census records on one CD for $20.