Barbara Sontz asked about the Jewish Colonization Association.

Information on the Jewish Colonial Association and some others can be found
on this website together with a database.

http://mjmd.haifa.ac.il/index.php?link=home

Rose Feldman
IGS webmistress
http://www.isragen.org.il
keep up to date on archives, databases and genealogy in general with
http://twitter.com/isragen