the standard text on genealogical citations is *Evidence! Citation & Analysis for the Family Historian (Hardcover)* by Elizabeth Shown Mills <http://www.amazon.com/exec/obidos/search-handle-url?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Elizabeth%20Shown%20Mills> (Author) excerpts can be read online at <http://www.amazon.com/gp/reader/0806315431/ref=sib_dp_pt#reader-link> saul Issroff