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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 42 (suppl_1, 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 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 60 (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 4, 5-6); 69 (1 to 6); 70 (1 to 4, 5-6)
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Internet Archive
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Preserved
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2025-08-08
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1 to 57
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Portico
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Preserved
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2026-04-02
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Preserved : 1955: 1(1-4), 1956: 2(1-4), 1957: 3(1-4), 1958: 4(1-4), 1959: 5(1-4), 1960: 6(1-4), 1961: 7(1-4), 1962: 8(1-4), 1963: 9(1-4), 1964: 10(1-4), 1965: 11(1-4), 1966: 12(1-4), 1967: 13(1-4), 1968: 14(1-4), 1969: 15(1-4), 1970: 16(1-4), 1971: 17(1-4), 1972: 18(1-4), 1973: 19(1-4), 1974: 20(1-4), 1975/1979: 21(1-4), 1976: 22(1-4), 1977: 23(1-4), 1978: 24(1-4), 1979: 25(1-4), 1980: 26(1-4), 1981: 27(1-4), 1982: 28(1-4), 1983: 29(1-4), 1984: 30(1-4), 1985: 31(1-4), 1986: 32(1-4), 1987: 33(1-4), 1988: 34(1-4), 1989: 35(1-4), 1990: 36(1-4), 1991: 37(1-6), 1992: 38(1-4), 1993: 39(1-4), 1994: 40(1-4), 1995: 41(1-4), 1996: 42(1-4), 1997: 43(1-4), 1998: 44(1-4), 1999: 45(1-4), 2000: 46(1-4), 2001: 47(1-4), 2002: 48(1-4), 2003: 49(1-6), 2004: 50(1-6), 2005: 51(1-6), 2006: 52(1-6), 2007: 53(1-6), 2008: 54(1-6), 2009: 55(1-6), 2010: 56(1-6), 2011: 57(1-6), 2012: 58(1-6), 2013: 59(1-6), 2014: 60(1-6), 2015: 61(1-6), 2016: 62(1-6), 2016/2017: 63(1-6), 2018: 64(1-6), 2019: 65(1-6), 2020: 66(1-6), 2021: 67(1-6), 2022: 68(1-6), 2023: 69(1-6), 2024: 70(1-6)
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CLOCKSS Archive
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Preserved
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2026-03-30
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54 to 64
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LOCKSS Archive
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Preserved
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2026-03-30
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54 to 70
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CLOCKSS Archive
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In Progress
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2026-03-30
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65 to 70
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Portico
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Preserved
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2026-04-02
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Preserved : 1955: 1(1-4), 1956: 2(1-4), 1957: 3(1-4), 1958: 4(1-4), 1959: 5(1, S 1, 2-4), 1960: 6(1-4), 1961: 7(1-4), 1962: 8(1, S 1, 2, S 2, 3-4), 1963: 9(1, S 1, 2, S 2, 3-4), 1964: 10(1, S 1, 2, S 2, 3, S 3, 4), 1965: 11(1, S 1, 2-4), 1966: 12(1, S 1, 2, S 2, S 3, 4), 1967: 13(1, S 1, 2, S 2, 3, S 3, 4), 1968: 14(1-4), 1969: 15(1, S 1, 2-4), 1970: 16(1-4), 1971: 17(1-4), 1972: 18(1-4), 1973: 19(1-4), 1974: 20(1-4), 1975: 21(1-3), 1976: 22(1-3), 1977: 23(1-4), 1978: 24(1-4), 1979: 25(1-4), 1980: 26(1), 1981: 27(1), 1984: 30(1), 1985: 31(1), 1986: 32(S 1, S 2, 3-4), 1987: 33(1, S 1, 2-4), 1988: 34(1-4), 1989: 35(1-4), 1990: 36(1-4), 1991: 37(1, 5), 1992: 38(2), 1993: 39(1, S 1, 3-4), 1994: 40(1-4), 1995: 41(1, S 1, 2, S 2, 3-4), 1996: 42(1, S 1, 2, S 2, 3-4), 1997: 43(2-4), 1998: 44(1-4), 1999: 45(1-3)
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CLOCKSS Archive
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Preserved
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2026-03-30
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1, 10 to 57, 64 to 72
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Portico
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Preserved
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2026-04-02
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Preserved : 2003: 49(1-2)
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Portico
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Preserved
|
2026-04-02
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Preserved : 2004: 50(2-6), 2005: 51(2-6), 2006: 52(1-6), 2007: 53(1-6), 2008: 54(1-6), 2009: 55(1, 3-6), 2010: 56(1-6), 2011: 57(1, 4-6), 2012: 58(1-6), 2013: 59(1-6), 2014: 60(1-6), 2015: 61(1-6), 2016: 62(1-2, 4-6), 2017: 63(1-6), 2018: 64(1-5), 2019: 65(3-5), 2020: 66(1-6), 2021: 67(1-6), 2022: 68(1-6), 2023: 69(1-6), 2024: 70(1-6), 2025: 71(1-6), 2026: 72(1)
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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 : 65 (3 to 6); 66 (1 to 3, 5, 6); 67 (1, 2, 6); 68 (1, 2, 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 : 65 (3 to 6); 66 (1 to 3, 5, 6); 67 (1, 2, 6); 68 (1, 2, 4)
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