Four important Danish books. * DEN AABNE DØR TIL DEN FRIE VERD [the door to the free world]. October 1943-1945, published by Privattryk D.N. Discusses the Danish-Swedish underground that smuggled Jews out of Denmark under the noses of the Nazis during the Second World War. 64 pages. 20 cm. Rare. Not in the National Library. * DE JØDISKE BØNNER – Jewish prayers. 1963. Work regarding Jewish prayers and blessings. Published by the religious department of the “Bnei Akiva” youth movement in Denmark. Jacket title page. 53 pages. 21 cm. Rare. Not in the National Library. * ODEMARKEN BLOMSTRER [So the Desert should Blossom] by S. Friedman. Denmark, 1954. Work regarding the first years of the State of Israel in Danish. 55 pages. 21 cm. Jacket title page. Last leaf is torn. Missing back jacket. Rare. Not in the National LIbrary. * GHETTO-HISTORIER [Stories from the ghetto] by Yisrael Zangvil published by GYLDENDALSKE BOGHANDEL NORDISK FORLAG. Danish. Frontispiece picture of author. 194 [1] pages. 21 cm. Rare. Not in the National Library.