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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 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1, 2, 3‐4, 5‐6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1‐2, 3 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1‐2, 3 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 4, 5‐6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1‐2, 3, 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 71 (, 1, 2); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 83 (, 1 to 4); 84 (, 1 to 4); 85 (, 1 to 4); 86 (, 1 to 4); 87 (, 1 to 4); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 91 (, 1 to 4); 92 (, 1 to 4); 93 (, 1 to 4); 94 (, 1 to 4); 95 (, 1 to 4); 96 (, 1 to 4); 97 (, 1 to 4); 98 (, 1, 2 to 4); 99 (, 1 to 4); 100 (, 1 to 4); 101 (, 1 to 4); 102 (, 1 to 4); 103 (, 1 to 4); 104 (, 1 to 4); 105 (, 1 to 4); 106 (, 1 to 4); 107 (, 1 to 4); 108 (, 1 to 4); 109 (, 1 to 4); 110 (, 1 to 4); 111 (, 1 to 4); 112 (, 1 to 8); 113 (, 1 to 8); 114 (, 1 to 8); 115 (, 1 to 8); 116 (, 1 to 10); 117 (, 1 to 12); 118 (, 1 to 12); 119 (, 1 to 12); 120 (, 1 to 6); 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 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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12 to 27
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Portico
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Preserved
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2026-02-12
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Preserved : 1956: 1(1-4), 1957: 2(1-6), 1958: 3(1-6), 1959: 4(1-6), 1960: 5(1-6), 1961: 6(1-6), 1962: 7(1-6), 1963: 8(1-6), 1964: 9(1-6), 1965: 10(1-6), 1966: 11(1-6), 1967: 12(1-6), 1967: 13(1-6), 1968: 14(1-6), 1968: 15(1-6), 1969: 16(1-6), 1969: 17(1-6), 1970: 18(1-6), 1970: 19(1-6), 1971: 20(1-6), 1971: 21(1-6), 1972: 22(1-6), 1972: 23(1-6), 1973: 24(1-6), 1973: 25(1-6), 1974: 26(1-6), 1974: 27(1-6), 1975: 28(1-6), 1975: 29(1-6), 1976: 30(1-6), 1976: 31(1-6), 1977: 32(1-6), 1977: 33(1-6), 1978: 34(1-6), 1978: 35(1-6), 1979: 36(1-6), 1979: 37(1-6), 1980: 38(1-6), 1980: 39(1-6), 1981: 40(1-6), 1981: 41(1-6), 1982: 42(1-6), 1982: 43(1-6), 1983: 44(1-6), 1983: 45(1-6), 1984: 46(1-6), 1984: 47(1-6), 1985: 48(1-6), 1985: 49(1-6), 1986: 50(1-4), 1986: 51(1-4), 1987: 52(1-4), 1987: 53(1-4), 1988: 54(1-4), 1988: 55(1-4), 1989: 56(1-4), 1989: 57(1-4), 1990: 58(1-4), 1990: 59(1-4), 1991: 60(1-4), 1991: 61(1-4), 1992: 62(1-4), 1992: 63(1-4), 1993: 64(1-4), 1993: 65(1-4), 1994: 66(1-4), 1994: 67(1-s5), 1995: 68(1-4), 1995: 69(1-4), 1996: 70(1-3, S 3, 4), 1996: 71(1-4), 1997: 72(1-4), 1997: 73(1-4), 1998: 74(1, S 1, 2-4), 1998: 75(1-4), 1999: 76(1-4), 1999: 77(1, S1, 2-4), 2000: 78(1, S1, 2, S2, 3-4), 2000: 79(1-4), 2001: 80(1-4), 2001: 81(1-4), 2002: 82(1-4), 2002: 83(1-4), 2003: 84(1-4), 2003: 85(1-4), 2004: 86(1-4), 2004: 87(1-4), 2005: 88(1-4), 2005: 89(1-4), 2006: 90(1-4), 2006: 91(1-4), 2007: 92(1-4), 2007: 93(1-4), 2008: 94(1-4), 2008: 95(1-4), 2009: 96(1-4), 2009: 97(1-4), 2010: 98(1-2, 3, Part 1, 3, Part 2, 4), 2010: 99(1-4), 2011: 100(1-4), 2011: 101(1-4), 2012: 102(1-4), 2012: 103(1-4), 2013: 104(1-4), 2013: 105(1-2, S 2, 3-4), 2014: 106(1-4), 2014: 107(1-4), 2015: 108(1-4), 2015: 109(1, S1, 2, S2, 3-4), 2016: 110(1-4), 2016: 111(1, S1, 2-4), 2017: 112(1, S1, 2, S2, 3-8), 2018: 113(1, S1, 2-8), 2019: 114(1, S1, 2, S2, 3-8), 2020: 115(1, S1, 2-8), 2021: 116(1, S1, 2-10), 2022: 117(1, S1, 2-12), 2023: 118(1, S1, 2, S2, 3-12), 2024: 119(1, S1, 2-12), 2025: 120(1, S1, 2, S2, 3-12), 2026: 121(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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16, 60 to 121
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Portico
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Preserved
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2026-02-12
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Preserved : 1956: 1(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1957: 2(1-6), 1958: 3(1-6), 1959: 4(1-6), 1960: 5(1-6), 1961: 6(1-6), 1962: 7(1-6), 1963: 8(1-6), 1964: 9(1-6), 1965: 10(1-6), 1966: 11(1-6), 1967: 12(1-6), 1967: 13(1-6), 1968: 14(1-6), 1968: 15(1-6), 1969: 16(1-6), 1969: 17(1-6), 1970: 18(1-6), 1970: 19(1-6), 1971: 20(1-6), 1971: 21(1-6), 1972: 22(1-6), 1972: 23(1-6), 1973: 24(1, S 1, 2-6), 1973: 25(1-6), 1974: 26(1-6), 1974: 27(1-6), 1975: 28(1-6), 1975: 29(1-6), 1976: 30(1-6), 1976: 31(1, S 1, 2-6), 1977: 32(1-6), 1977: 33(1-6), 1978: 34(1-6), 1978: 35(1-6), 1979: 36(1-6), 1979: 37(1-6), 1980: 38(1-6), 1980: 39(1-6), 1981: 40(1, S 1, 2-6), 1981: 41(1-6), 1982: 42(1-6), 1982: 43(1-6), 1983: 44(1-6), 1983: 45(1-6), 1984: 46(1, S 1, 2-6), 1984: 47(1-6), 1985: 48(1-6), 1985: 49(1, S 1, 2-6), 1986: 50(1-4), 1986: 51(1, S 1, 2, S 2, 3-4), 1987: 52(1-4), 1987: 53(1-4), 1988: 54(1-4), 1988: 55(1-4), 1989: 56(1-4), 1989: 57(1-4), 1990: 58(1-4), 1990: 59(1, S 1, 2-4), 1991: 60(1-4), 1991: 61(1-4), 1992: 62(1-4), 1992: 63(1-4), 1993: 64(1-4), 1993: 65(1-4), 1994: 66(1-4), 1994: 67(1, S 1, 2, S 2, 3, S 3, 4, S 4, S 5), 1995: 68(1-4), 1995: 69(1-4), 1996: 70(1, S 1, 2-4), 1996: 71(1-4), 1997: 72(1-4), 1997: 73(1-4), 1998: 74(1-4), 1998: 75(1-4), 1999: 76(1-4), 1999: 77(1, S 1, 2-4), 2000: 78(1, S 1, 2, S 2, 3-4), 2000: 79(1-4)
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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 : 1 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (, 1 to 4); 12 (S1, 1 to 9); 13 (, 1 to 4); 14 (1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (1 to 4); 19 (, 1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (S1, 1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (S2, 1 to 4); 84 (1 to 4); 85 (, 1 to 4); 86 (1 to 4); 87 (, 1 to 4); 88 (1 to 4); 89 (, 1 to 4); 91 (, 1 to 4); 92 (1 to 4); 93 (, 1 to 4); 94 (1 to 4); 95 (, 1 to 4); 96 (, 1 to 4); 97 (, 1 to 4); 98 (, 1, 2 to 4); 99 (, 1 to 4); 111 (, 1 to 4); 112 (, 1 to 8); 113 (, 1 to 8); 114 (S1, 1 to 8); 115 (S1, 1 to 8); 116 (S1, 1 to 9); 117 (S1, 1 to 9, 11, 12); 118 (S1, 1 to 9, 11, 12); 119 (S1, 1 to 9, 11, 12)
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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 : 1 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (, 1 to 4); 12 (S1, 1 to 9); 13 (, 1 to 4); 14 (1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (1 to 4); 19 (, 1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (S1, 1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (S2, 1 to 4); 84 (1 to 4); 85 (, 1 to 4); 86 (1 to 4); 87 (, 1 to 4); 88 (1 to 4); 89 (, 1 to 4); 91 (, 1 to 4); 92 (1 to 4); 93 (, 1 to 4); 94 (1 to 4); 95 (, 1 to 4); 96 (, 1 to 4); 97 (, 1 to 4); 98 (, 1, 2 to 4); 99 (, 1 to 4); 111 (, 1 to 4); 112 (, 1 to 8); 113 (, 1 to 8); 114 (S1, 1 to 8); 115 (S1, 1 to 8); 116 (S1, 1 to 9); 117 (S1, 1 to 9, 11, 12); 118 (S1, 1 to 9, 11, 12); 119 (S1, 1 to 9, 11, 12)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 90 (1-4); 91 (s1, 1-4); 92 (1-4); 93 (s1, 1-4)
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