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  Resisting Hitler : Mildred Harnack and the Red Orchestra: Mildred Harnack ... - Shareen Blair Brysac - Google Books

  http://books.google.de/books?id=FWkZOB35KQcC&pg=PA146&dq=gustav+havemann+Ingeborg&lr=

  This gripping and heartbreaking narrative is the first full account of an American woman who gave her life in the struggle against the Nazi regime. As members of a key resistance group, Mildred and her husband, Arvid Harnack, assisted in the escape of…

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  Vilnius (Vilna) Ghetto

  http://www.deathcamps.org/occupation/vilnius%20ghetto.html

  Vilnius Ghetto

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  Playing Underground: A Critical History of the 1960s Off-Off-Broadway Movement - Stephen J. Bottoms - Google Books

  https://books.google.de/books?id=4_9ZxU0p7yYC&pg=PA292#v=onepage

  "Scrupulously researched, critically acute, and written with care, Playing Underground will become a classic account of an era of hard-won free expression." -William Coco "At last---a book documenting the beginnings of Off-Off Broadway theater. Playing…

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