1. Edith Stein Gesamtausgabe, (ESGA), published by Herder. The ESGA has replaced the ESW as the now standard critical edition with 28 volumes. (Violet edition): Link here
Professor Gerl-Falkovitz has prepared an account of how the Gesamtausgabe came to be, found in pdf form here.
2. Eighteen volumes of the series Edith Steins Werke (ESW) have appeared since 1950. The publisher is Herder in Freiburg. Volume 10 is a biography of Stein by Romaeus Leuven. (Yellow edition) Link here.