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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 8 (1); 11 (, 4-1); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1, 2); 1978; 1982; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 43
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 53
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CLOCKSS Archive
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Preserved
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2026-02-09
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35 to 54
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LOCKSS Archive
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In Progress
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2026-02-09
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54
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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 8(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 11-12(4-1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2016: 45(2), 2016: 46(1), 2017/2018: 47(1-2), 2018/2019: 48(1-2), 2019/2020: 49(1-2), 2020/2021: 50(1-2), 2022: 51(1-4), 2023: 52(1-4), 2024: 53(1-4), 2025: 54(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1971/1972: 1(1-4), 1972/1973: 2(1-4), 1973/1974: 3(1-4), 1974/1975: 4(1-4), 1975/1976: 5(1-4), 1976/1977: 6(1-4), 1977/1978: 7(1-4), 1978/1979: 8(1-4), 1979/1980: 9(1-4), 1980/1981: 10(1-4), 1981/1982: 11(1-3), 1982: 11-12(4), 1983: 12(2-4), 1983/1984: 13(1-4), 1984/1985: 14(1-4), 1985/1986: 15(1-4), 1986/1987: 16(1-4), 1987/1988: 17(1-4), 1988/1989: 18(1-4), 1989/1990: 19(1-4), 1990/1991: 20(1-4), 1991/1992: 21(1-4), 1992/1993: 22(1-4), 1993/1994: 23(1-4), 1994/1995: 24(1-4), 1995/1996: 25(1-4), 1996/1997: 26(1-4), 1997/1998: 27(1-4), 1998/1999: 28(1-4), 1999/2000: 29(1-4), 2000/2001: 30(1-4), 2001/2002: 31(1-4), 2002/2003: 32(1-4), 2003/2004: 33(1-4), 2004/2005: 34(1-4), 2005/2006: 35(1-4), 2006/2007: 36(1-4), 2007/2008: 37(1-4), 2008/2009: 38(1-4), 2009/2010: 39(1-4), 2010/2011: 40(1-4), 2011/2012: 41(1-4), 2012/2013: 42(1-4), 2013/2014: 43(1-4), 2014: XLIII(2), 2014/2015: 44(1-4), 2015/2016: 45(1-4), 2016/2017: 46(1-4), 2017/2018: 47(1-4), 2018/2019: 48(1-4), 2019/2020: 49(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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31 to 49
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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 : 3 (2 to 4); 4 (1 to 4); 5 (1 to 4); 26 (2 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1, 2)
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