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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 09 (04); 47 (01, 02, 03, 04/05, 06, 07); 48 (01, 02, 03, 04/05, 06, 07); 49 (01, 02, 03, 04, 05, 06); 50 (01, 02, 03, 04, 05, 06); 51 (01/02, 03, 04, 05, 06); 52 (01, 02, 03, 04, 05, 06); 53 (01, 02, 03, 04, 05, 06); 54 (01, 02, 03, 04, 05, 06); 55 (01, 02, 03, 04, 05, 06); 56 (01, 02, 03, 04, 05, 06); 57 (02, 03, 04, 05, 06); 58 (01, 02, 03, 04, 05, 06); 59 (01)
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Internet Archive
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Preserved
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2025-08-08
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8 to 11
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CLOCKSS Archive
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In Progress
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2026-04-06
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1 to 22, 53 to 59
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CLOCKSS Archive
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Preserved
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2026-04-06
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23 to 52
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LOCKSS Archive
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Preserved
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2026-04-06
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43 to 57
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LOCKSS Archive
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In Progress
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2026-04-06
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58, 59
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Portico
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Preserved
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2026-04-02
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Preserved : 1968: 1(1-4), 1969: 2(1-4), 1970: 3(2-6), 1971: 4(1-6), 1972: 5(1-6), 1973: 6(1-5), 1974: 7(1-6), 1975: 8(1-6), 1976: 9(1-6), 1977: 10(1-6), 1978: 11(1-6), 1979: 12(1-6), 1980: 13(1-6), 1981: 14(1-6), 1982: 15(1-6), 1983: 16(1-6), 1984: 17(1-6), 1985: 18(1-6), 1986: 19(1-6), 1987: 20(1-6), 1988: 21(1-6), 1989: 22(1-6), 1990: 23(1-6), 1991: 24(1-6), 1992: 25(1-6), 1993: 26(1-6), 1994: 27(1-6), 1995: 28(1-6), 1996: 29(1-6), 1997: 30(1-6), 1998: 31(1-6), 1999: 32(1-6), 2000: 33(S 1, 2-6), 2001: 34(1, S 1, 2-6), 2002: 35(1-6), 2003: 36(1-4, 6), 2004: 37(1-6), 2005: 38(2-4, 6), 2006: 39(1-6), 2007: 40(1-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 2008: 41(1-4, 6), 2009: 42(1-6), 2009/2010: 43(1-7), 2010/2011: 44(1-7), 2012: 45(1-5, 7, ), 2013: 46(1-5, 7, ), 2014: 47(1-5, 7), 2015: 48(1-5, 7), 2016: 49(1-6), 2017: 50(1-6), 2018: 51(01-6), 2019: 52(1-6), 2020: 53(1-6), 2021: 54(1-6), 2022: 55(1-6), 2023: 56(1-6), 2024: 57(1-6), 2025: 58(1-6), 2026: 59(1-2)
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