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Portico
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Preserved
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2026-02-12
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Preserved : 1975: 2(1-2), 1976: 3(1-3), 1977: 4(1-3), 1978: 5(1-2), 1979: 6(1-3), 1980: 7(2), 1981: 8(1-3), 1982: 9(2-3), 1983: 10(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 12(2-4), 1986: 13(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 14(3-4), 1988: 15(1-4), 1989: 16(1, 3-4), 1990: 17(2-4), 1991: 18(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 20(4), 1994: 21(2), 1995: 22(1-2, 4), 1996: 23(1-4), 1997: 24(1-4), 1998: 25(1-4), 1999: 26(1-4), 2000: 27(1-4), 2001: 28(1-4), 2002: 29(1-4), 2003: 30(1-4), 2004: 31(1-4), 2005: 32(1-4), 2006: 33(1-4), 2007: 34(1-4), 2008: 35(1-4), 2009: 36(1-4), 2010: 37(1-4), 2011: 38(1-4), 2012: 39(1-4), 2013: 40(1-4), 2014: 41(1-4), 2015: 42(1-4), 2016: 43(1-4), 2017: 44(1-2, 4), 2018: 45(1-4), 2019: 46(1-4), 2020: 47(1-4), 2021: 48(1-4), 2022: 49(1-4), 2023: 50(1-4), 2024: 51(1-4), 2025: 52(1-4), 2026: 53(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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23 to 53
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Internet Archive
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Preserved
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2025-08-08
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1 to 24
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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 : 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (2-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-3); 103 (4)
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