One of the articles that can be downloaded >from the site
mentioned below is on the emigration of Jews >from Posen province,
written by Bernhard Breslauer. I translated this article into English
a long time ago, and I'm happy to email it to anyone who wants to read it,
but can't read the German version.
Kihei HI U SA
Edward Luft wrote:JewishGen in its Kehilalinks for Poland,
has just published an important new resource for genealogical research
on the Jews of Posen Province.