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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 4); 35 (, 2); 1991; 1992; 1993; 1994; 1995; 1997; 1999; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 1(1), 1991: 2(1), 1992: 3(1), 1992: 4(1), 1993: 5(1), 1993: 6(1), 1994: 7(1), 1994: 8(1), 1995: 9(1), 1995: 10(1), 1997: 11(1), 1997: 12(1), 1999: 13(1), 2001: 14(1), 2002: 15(1), 2002: 16(1), 2003: 17(1), 2004: 18(1), 2005: 19(1), 2006: 20(1), 2007: 21(1), 2009: 22(1), 2010: 23(1), 2011: 24(1), 2011: 25(1), 2012: 26(1), 2013: 27(1), 2014: 28(1), 2015: 29(1-3), 2016: 30(1-3), 2017: 31(1-3), 2018: 32(1-3), 2019: 33(1-3), 2020: 34(1-4), 2021/2022: 35(1-4), 2022: 36(1-4), 2023/2024: 37(1-4), 2024: 38(1-4), 2025: 39(1-4)
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Library of Congress
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Preserved
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2025-04-07
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1 (1 to 28); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 4); 36 (2, 3-4); 37 (1, 2-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 35 (1 to 4); 36 (, 1, 2, 3-4); 37 (, 1, 2-4); 38 (, 1-2, 3-4); 2021; 2022; 2023; 2024
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1); 2; 3 (2, 3); 4 (1); 5; 6; 7; 8; 9; 11; 12; 13; 14; 15; 16; 17; 18; 19; 21; 22; 23; 24; 25; 26; 27; 28; 29 (2, 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 4); 35 (1 to 4); 36 (1, 2, 3-4); 37 (1)
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