General Genealogy

http://immigrants.byu.edu/main_page

http://www.immigrantships.net

http://dloc.com

http://www.rojasspencer.com/index.php

https://familysearch.org

http://web.meganet.net/bettenco/bett000t.htm#toc18

http://catalog.loc.gov

https://www.hathitrust.org/