Details about Etzel members in Haifa, document from Hagana Archive, personal page of Shulamith Mehulal in which Sarah Guttmacher is mentioned, legislative proposal and correspondence about compensation for Prisoners of Zion and their families, newspaper articles about Baruch Guttmacher, letters of Baruch Guttmacher about placing signs at sites related to Etzel activity in Haifa, including details about site, articles by Baruch Guttmacher.