Nachrichten der Schweizerischen Vereinigung zur Erhaltung der Burgen und Ruinen (Burgenverein)
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Volume 30 (1957) Issues available
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Volume 29 (1956) Issues available
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Volume 28 (1955) Issues available
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Volume 27 (1954) Issues available
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Volume 26 (1953) Issues available
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Volume 25 (1952) Issues available
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Volume 24 (1951) Issues available
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Volume 23 (1950) Issues available
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Volume 22 (1949) Issues available
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Volume 21 (1948) Issues available
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Volume 20 (1947) Issues available
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Volume 19 (1946) Issues available
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Volume 18 (1945) Issues available
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Volume 17 (1944) Issues available
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Volume 16 (1943) Issues available
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Volume 15 (1942) Issues available
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Volume 14 (1941) Issues available
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Volume 13 (1940) Issues available
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Volume 12 (1939) Issues available
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Volume 11 (1938) Issues available
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Volume 10 (1937) Issues available
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Volume 9 (1936) Issues available
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Volume 8 (1935) Issues available
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Volume 7 (1934) Issues available
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Volume 6 (1933) Issues available
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Volume 5 (1932) Issues available
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Volume 4 (1931) Issues available
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Volume 3 (1930) Issues available
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Volume 1 (1927-1929) Issues available