Well this isn’t a review as I haven’t had time to check out all the books available on this site.
Loads of old American recipe books from 1798 onwards available for free download in pdf format.
Excellent resource for those interested in American food history.
Note: not all links to pdf files seem to be working and some of the page scans aren’t so great.
click here: http://digital.lib.msu.edu/projects/cookbooks/index.html