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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 14 (1); 16; 18; 19; 20; 21; 22; 25; 27; 28; 29; 30; 33; 34 (2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39
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Portico
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Preserved
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2026-05-07
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Preserved : 1981: 1(1), 1982: 2(1), 1983: 3(1), 1984: 4(1), 1985: 5(1), 1986: 6(1), 1987: 7(1), 1988: 8(1), 1989: 9(1), 1990: 10(1), 1991: 11(1)
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Portico
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Preserved
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2026-05-07
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Preserved : 1993: 13(1), 1994: 14(1), 1995: 15(1), 1996: 16(1), 1997: 17(1), 1998: 18(1), 1999: 19(1), 2000: 20(1), 2001: 21(1), 2002: 22(1), 2003: 23(1), 2004: 24(1), 2005: 25(1), 2006: 26(1), 2007: 27(1), 2008: 28(1), 2010: 29(1), 2010: 30(1)
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Portico
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Preserved
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2026-05-07
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Preserved : 2012: 32(1), 2013: 33(1), 2014: 34(1-2), 2015: 35(1-2), 2016: 36(1-2), 2017: 37(1-2), 2018: 38(1-2), 2019: 39(1-2), 2020: 40(1-2), 2021: 41(1-2), 2022: 42(1-2), 2023: 43(1-2), 2024: 44(1-2), 2025: 45(1-2), 2026: 46(1)
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Library of Congress
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Preserved
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2025-04-07
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40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (2); 44 (1, 2)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31
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