Dear Rose: Thank you for inquiry pertaining to the additions and corrections of our book, "The Descendants of John Tisdale (1614-1675), Colonial Massachusetts." These updates at present are being stored within my computer, for later printing and publising. The sources of the material is from information I have received in the past from various sources, and at present from information forms I am sending to present descendants of the first in subject of our book via snail mail, with self addressed, postage stamped, return envelopes. If you will notify me of you snail mail address, I will gladly send the forms needed to you. Thank you for your interest.