Ted,
Rust: badische Ortsfamilienbücher - Ortssippenbuch Rust The Ortsfamilienbuch (familybook, heritage book) has families till 1968.
You may order it in your library or order it e.g. http://www.rust.de/ceasy/modules/cms/main.php5?cPageId=118[http://www.rust.de/ceasy/modules/cms/main.php5?cPageId=118] But ask for additional costs.
Klaus (Meyer)