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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 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 (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)
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Internet Archive
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Preserved
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2025-08-08
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4 to 33
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LOCKSS Archive
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Preserved
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2026-04-13
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36 to 38
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CLOCKSS Archive
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Preserved
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2026-04-13
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36 to 41
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Portico
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Preserved
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2026-04-16
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Preserved : 1975: 1(1), 1976: 2(1), 1977: 3(1), 1978: 4(1), 1979: 5(1), 1980: 6(1), 1981: 7(1), 1982: 8(1), 1983: 9(1), 1984: 10(1), 1985: 11(1), 1986: 12(1), 1987: 13(1), 1988: 14(1), 1989: 15(1), 1990: 16(1), 1990: 17(1), 1991: 18(1), 1992: 19(1), 1993: 20(1), 1994: 21(1), 1995: 22(1), 1996: 23(1), 1997: 24(1), 1998: 25(1), 1999: 26(1), 2000: 27(1), 2001: 28(1), 2002: 29(1), 2003: 30(1), 2004: 31(1), 2005: 32(1), 2006: 33(1), 2007: 34(1), 2008: 35(1), 2010: 36(1), 2011: 37(1), 2012: 38(1), 2013: 39(1-2), 2014: 40(1-2), 2015: 41(1)
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LOCKSS Archive
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Preserved
|
2026-04-13
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1 to 50
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CLOCKSS Archive
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Preserved
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2026-04-13
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34, 35, 43
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LOCKSS Archive
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In Progress
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2026-04-13
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51, 52
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Portico
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Preserved
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2026-04-16
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Preserved : 1985: 11(1), 1986: 12(1), 1987: 13(1), 1988: 14(1), 1989: 15(1), 1990: 16(1), 1990: 17(1), 1991: 18(1), 1992: 19(1), 1993: 20(1), 1994: 21(1), 1995: 22(1), 1996: 23(1), 1997: 24(1), 1998: 25(1), 1999: 26(1), 2000: 27(1), 2001: 28(1), 2002: 29(1), 2003: 30(1), 2004: 31(1), 2005: 32(1), 2006: 33(1), 2007: 34(1), 2008: 35(1), 2010: 36(1), 2011: 37(1), 2012: 38(1), 2013: 39(1-2), 2014: 40(1-2), 2015: 41(1-2), 2016: 42(1-2), 2017: 43(1-2), 2018: 44(1-2), 2019: 45(1-2), 2020: 46(1-2), 2021: 47(1-2), 2022: 48(1-2), 2023: 49(1-2), 2024: 50(1-2), 2025: 51(1-2), 2026: 52(1)
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CLOCKSS Archive
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Preserved
|
2026-04-13
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1 to 51
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 43 (1, 2); 44 (1)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 43 (1, 2); 44 (1)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 3 (1); 4 (2); 5 (1, 2); 24 (1); 25; 26; 27; 28; 29; 31; 32; 33; 34; 35; 36; 37; 38; 39 (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)
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Library of Congress
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Preserved
|
2025-04-07
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43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2)
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