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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 100
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Portico
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Preserved
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2026-02-12
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Preserved : 1973: 1(1-6), 1974: 2(1-6), 1974: 3(1-6), 1975: 4(1-6), 1975: 5(1-6), 1976: 6(1-6), 1976: 7(1-6), 1977: 8(1-6), 1977: 9(1-6), 1978: 10(1-6), 1978: 11(1-6), 1979: 12(1-6), 1979: 13(1-6), 1980: 14(1-6), 1980: 15(1-6), 1981: 16(1-6), 1981: 17(1-6), 1982: 18(1-6), 1982: 19(1-6), 1983: 20(1-6), 1983: 21(1-6), 1984: 22(1-6), 1984: 23(1-6), 1985: 24(1-6), 1985: 25(1-6), 1986: 26(1-6), 1986: 27(1-6), 1987: 28(1-6), 1987: 29(1-6), 1988: 30(1-6), 1988: 31(1-6), 1989: 32(1-6), 1989: 33(1-6), 1990: 34(1-6), 1990: 35(1-6), 1991: 36(1-6), 1991: 37(1-6), 1992: 38(1-6), 1992: 39(1-6), 1993: 40(1-6), 1993: 41(1, S 1, 2-6), 1994: 42(1-6), 1994: 43(1-6), 1995: 44(1-6), 1995: 45(1, S 1, 2-6), 1996: 46(1-6), 1996: 47(1-6), 1997: 48(1-6), 1997: 49(1-6), 1998: 50(1-6), 1998: 51(1-6), 1999: 52(1-6), 1999: 53(1-6), 2000: 54(1-6), 2000: 55(1-6), 2001: 56(1-6), 2001: 57(1-6), 2002: 58(1-6), 2002: 59(1-6), 2003: 60(1-6), 2003: 61(1-6), 2004: 62(1-6), 2004: 63(1-6), 2005: 64(1-6), 2005: 65(1-6), 2006: 66(1-6), 2006: 67(1-6), 2007: 68(1-6), 2007: 69(1-6), 2008: 70(1-6), 2008: 71(1-6), 2009: 72(1-6), 2009: 73(1-6), 2010: 74(1-6), 2010: 75(1-6), 2011: 76(1-6), 2011: 77(1-6), 2012: 78(1-6), 2012: 79(1-6), 2013: 80(1-6), 2013: 81(1-6), 2014: 82(1-6), 2014: 83(1-5), 2015: 84(2-6), 2015: 85(1-6), 2016: 86(1-6), 2016: 87(1-6), 2017: 88(1-6), 2017: 89(1-6), 2018: 90(1-6), 2018: 91(1-6), 2019: 92(1-6), 2019: 93(1-6), 2020: 94(1), 2021: 95(1-4), 2022: 96(1-4), 2023: 97(1-4), 2024: 98(1-4), 2025: 99(1-4), 2026: 100(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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78, 79, 92
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LOCKSS Archive
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Preserved
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2026-02-09
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80 to 91
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 96 (2 to 4); 97 (, 1 to 4); 98 (, 1 to 4); 99 (, 1 to 3); 2022; 2023; 2024; 2025
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Library of Congress
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Preserved
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2025-04-07
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88 (3); 90 (2 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4)
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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 : 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1, 3, 5, 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1, 3 to 5); 56 (1, 2, 4 to 6); 57 (1, 2, 4, 5); 58 (1 to 5); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1); 95 (2 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4)
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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 : 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1, 3, 5, 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1, 3 to 5); 56 (1, 2, 4 to 6); 57 (1, 2, 4, 5); 58 (1 to 5); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1); 95 (2 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4)
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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 : 52 (2); 53 (1-6); 54 (1-6); 55 (1-2, 3, 4, 5-6); 56 (1, 2-3, 4-6); 57 (1, 2-3, 4, 5-6); 58 (1, 3, 4, 5-6); 59 (1-6); 67 (1-6); 68 (1-6); 69 (1-6); 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-6); 75 (1-6); 76 (1-6); 77 (1-6); 78 (1-6); 79 (1-6); 80 (1-6); 81 (1-6); 82 (1-6); 83 (1-6); 84 (1-6); 85 (1-6); 86 (1-6); 87 (1-6); 88 (1-6); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-6); 93 (1-6)
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