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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, 58 to 61); 18 (, 1, 62 to 65); 19 (, 1, 66 to 69); 20 (, 1, 70 to 73); 21 (, 1, 74 to 77); 22 (, 1, 78 to 81); 23 (, 1, 82 to 85); 24 (, 1, 87 to 89); 25 (, 1, 90 to 93); 26 (, 1, 94 to 97); 27 (, 1, 98 to 101); 28 (, 1, 102 to 105); 29 (, 1, 106 to 109); 30 (, 1, 110 to 113); 31 (, 1, 114 to 117); 32 (, 1, 118 to 121); 33 (, 1, 122 to 125); 34 (, 1, 126 to 129); 35 (, 1, 130, 131); 36 (, 1); 37 (, 1); 38 (, 1); 39 (, 1); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1); 44 (, 1); 45 (, 1); 46 (, 1); 47 (, 1); 48 (, 1); 49 (, 1); 50 (, 1); 51 (, 1); 52 (, 1); 53 (, 1); 54 (, 1); 55 (, 1); 56 (, 1); 57 (, 1); 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014
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Internet Archive
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Preserved
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2025-08-08
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 13, 15 to 46
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 13, 15 to 20, 46
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LOCKSS Archive
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Preserved
|
2026-02-09
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21 to 45
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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 44(165)
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Portico
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Preserved
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2026-02-12
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Preserved : 2024: 45(172), 2025: 46(2-4), 2026: 47(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1), 1982: 2(1), 1982: 3(1), 1982: 4(1), 1982: 5(1), 1983: 6(1), 1983: 7(1), 1983: 8(1), 1983: 9(1), 1984: 10(1), 1984: 11(1), 1984: 12(1), 1984: 13(1), 1985: 14(1), 1985: 15(1), 1985: 16(1), 1985: 17(1), 1986: 18(1), 1986: 19(1), 1986: 20(1), 1986: 21(1), 1987: 22(1), 1987: 23(1), 1987: 24(1), 1987: 25(1), 1988: 26(1), 1988: 27(1), 1988: 28(1), 1988: 29(1), 1989: 30(1), 1989: 31(1), 1989: 32(1), 1989: 33(1), 1990: 34(1), 1990/2014: 35(1, 130-133), 1990/2015: 36(1, 134-137), 1990/2016: 37(1, 138-141), 1991/2017: 38(1, 142-145), 1991/2018: 39(1, 146-148), 1991/2019: 40(1, 149-152), 1991/2020: 41(1, 153-156), 1992/2021: 42(1, 157-160), 1992/2022: 43(1, 161-164), 1992/2023: 44(1, 165-168), 1992/2024: 45(1, 169-172), 1993: 46(1), 1993: 47(1), 1993: 48(1), 1993: 49(1), 1994: 50(1), 1994: 51(1), 1994: 52(1), 1994: 53(1), 1995: 54(1), 1995: 55(1), 1995: 56(1), 1995: 57(1)
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CLOCKSS Archive
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In Progress
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2026-02-09
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29, 37, 39 to 45
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LOCKSS Archive
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Preserved
|
2026-02-09
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LX, 29 to 45
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CLOCKSS Archive
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Preserved
|
2026-02-09
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30 to 36, 38
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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 24 (86); 2003
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 3 (11, 111 to 113); 4 (15, 149, 151, 152); 27 (1, 11, 98, 99); 28 (12 to 15); 29 (16 to 19); 31 (114 to 117); 32 (12, 118, 119, 121); 33 (122 to 125); 34 (126 to 129); 35 (13, 131 to 133); 36 (134 to 137); 37 (14, 138, 139, 141); 38 (142 to 145); 39 (146 to 148); 41 (153 to 156); 42 (16, 157 to 159); 43 (161 to 164); 44 (165, 166, 167-168); 45 (169-17, 171, 172)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 3 (11, 111 to 113); 4 (15, 149, 151, 152); 27 (1, 11, 98, 99); 28 (12 to 15); 29 (16 to 19); 31 (114 to 117); 32 (12, 118, 119, 121); 33 (122 to 125); 34 (126 to 129); 35 (13, 131 to 133); 36 (134 to 137); 37 (14, 138, 139, 141); 38 (142 to 145); 39 (146 to 148); 41 (153 to 156); 42 (16, 157 to 159); 43 (161 to 164); 44 (165, 166, 167-168); 45 (169-17, 171, 172)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 2 (1); 3; 6; 9; 10; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57
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British Library
|
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Preserved
|
2019-09-18
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|
|
Preserved : 35 (130)
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