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