|You may find these "off
site" links helpful
Immigrant Ships Transcribers Guild This is a web site here on RootsWeb built by volunteers dedicated to making the search for our ancestors immigration easier. This is a relatively new project. Although they have 4000 ships transcribed, it is a small number in the overall picture, there are thousands more to be done.
GenLookups.com is a national wide directory of genealogy lookup volunteers on the web. Potentially a very helpful site. Before using it, read their "Rules for Researchers" - a nice explaination of the ettiquette that one should follow when requesting information from a lookup volunteer.
New York County Formation Maps. County lines changed through the years as new counties were added. this site shows county boundaris by year. (Click here)