> Multivolume work
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Selections from codices K 7 and K 25 (Vispered and Frahang i pahlavīk) and tracings of the Avesta Codex K 1 with an introd. by K. Barr
Copenhagen: Levin & Munksgaard, 1944
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The Avesta codices K 3 a, K 3 b and K 1 1 Containing the introd., the contribution of Hugo Ibscher, the facs. of the mss. K 3 a, K 3 b and the beginning of the ms. K 1 (Vendidad chapters 1 - 2.33 and 5.27 - 8.107) with an introd. by K. Barr and a contribution on the restoration of the ms. K 1 by Hugo Ibscher
Copenhagen: Levin & Munksgaard, 1941
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The Avesta codex K 5 3 Containing Yasna 47 - 72 with an introd. by K. Barr
Copenhagen: Levin & Munksgaard, 1939
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The Avesta codex K 5 2 Containing Yasna 21 - 46 with an introd. by K. Barr
Copenhagen: Levin & Munksgaard, 1938
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The Pahlavi codex K 35 2 Containing the epistles of Manushchihr and the selections of Zādh - Sparam with an introd. by Arthur Christensen
Copenhagen: Levin & Munksgaard, 1934
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The Pahlavi codex K 35 1 Containing the Pahlavi Rivāyat I, Dādhastān ē dēnīgh and the Pahlavi Rivāyat II with an introd. by Arthur Christensen
Copenhagen: Levin & Munksgaard, 1934
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The Pahlavi codex K 26 containing Ardhāgh vīrāz nāmagh and Mādhīghǎn ē yavisht ē fryān with an introd. by Arthur Christensen
Copenhagen: Levin & Munksgaard, 1932
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The Pahlavi codices K 20 & K 20 b containing Ardāgh vīraz-nāmagh, Bundahishn etc. with an introd. by Arthur Christensen
Copenhagen: Levin & Munksgaard, 1931