1
Published: Bruxelles : Editions du centre d'etudes et de documentation, 1994
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2
Published: Rom : Pontificium Consilium de Spirituali Migrantium atque Itinerantium Cura, 1990
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3
Published: Rom : Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura, 1988
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4
Published: Bruxelles : Editions du centre d'etudes et de documentation Fondation Auschwitz, 1998
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5
Published: Bern : Schweizerisches Bundesarchiv, 1982
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6
7
Published: Roma : Centro Studi Zingari
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