Klausenberger Rebbe on Women Fasting on Ta'anit Esther (10 Adar Sheni)

שו"ת דברי יציב או"ח רצ 10 Adar Sheni 5744 (1984) The Klausenberger Rebbe knew women who assumed they didn't have to fast on Ta'anit Esther. What could lead them to think so (and how do we know it's not true)? 

שו"ת נשמת חיים עז 10 Adar Sheni 5665 (1905) R. Chaim Berlin on whether and when Megillat Esther must be read with a minyan.