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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 6); 4 (, 1 to 4, 5-6); 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 4); 12 (, 1 to 4); 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); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 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 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 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); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 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 (, 2 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 8); 94 (, 1 to 8); 95 (, 1 to 8); 96 (, 1 to 8); 97 (, 1 to 8); 98 (, 1 to 8); 99 (, 1 to 8); 100 (, 1 to 8); 101 (, 1 to 8); 102 (, 1, 2, 5 to 8); 103 (, 1 to 8); 104 (, 1 to 8); 105 (, 1 to 3, 6, 8); 106 (, 1 to 8); 107 (, 1 to 8); 108 (, 1 to 8); 109 (, 1 to 8); 110 (, 1 to 8); 111 (, 1 to 8); 112 (, 1 to 8); 113 (, 1 to 8); 114 (, 1 to 8); 115 (, 1 to 8); 116 (, 1, 2, 4 to 8); 117 (, 1 to 8); 118 (, 1 to 8); 119 (, 1 to 8); 120 (, 1 to 8); 121 (, 1 to 8); 122 (, 1 to 8); 123 (, 1 to 8); 124 (, 1 to 8); 125 (, 1 to 8); 126 (, 1 to 8); 127 (, 1 to 3, 5 to 8); 128 (, 1 to 8); 129 (, 1 to 8); 130 (, 1 to 8); 131 (, 1 to 8); 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; 1994; 1995; 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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16 to 110
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 1(1-4), 1970: 2(1-4), 1971: 3(1-6), 1972: 4(1-6), 1973: 5(1-6), 1974: 6(1-6), 1975: 7(1-6), 1976: 8(1-6), 1977: 9(1-6), 1978: 10(1-6), 1979: 11(1-4), 1979: 12(1-4), 1980: 13(1-4), 1980: 14(1-4), 1980: 15(1-4), 1981: 16(1-4), 1981: 17(1-4), 1981: 18(1-4), 1982: 19(1-4), 1982: 20(1-4), 1982: 21(1-4), 1983: 22(1-4), 1983: 23(1-4), 1983: 24(1-4), 1984: 25(1-4), 1984: 26(1-4), 1984: 27(1-4), 1985: 28(1-4), 1985: 29(1-4), 1985: 30(1-4), 1986: 31(1-4), 1986: 32(1-4), 1986: 33(1-4), 1987: 34(1-4), 1987: 35(1-4), 1987: 36(1-4), 1988: 37(1-4), 1988: 38(1-4), 1988: 39(1-4), 1989: 40(1-4), 1989: 41(1-4), 1989: 42(1, S 1, 2-4), 1990: 43(1-4), 1990: 44(1-4), 1990: 45(1-4), 1991: 46(1-4), 1991: 47(1-4), 1991: 48(1-2, S 2, 3-4), 1992: 49(1-4), 1992: 50(1-4), 1992: 51(1-4), 1993: 52(1-4), 1993: 53(1-3, S 3, 4), 1993: 54(1-4), 1994: 55(1-4), 1994: 56(1-4), 1994: 57(1-4), 1995: 58(1-4), 1995: 59(1-4), 1995: 60(1-4), 1996: 61(1-4), 1996: 62(1-4), 1996: 63(1-4), 1997: 64(1-4), 1997: 65(1-4), 1997: 66(1-4), 1998: 67(1-4), 1998: 68(1-4), 1998: 69(1-4), 1999: 70(1-4, S 4), 1999: 71(1-4), 1999: 72(1-4), 2000: 73(1-4), 2000: 74(1-4), 2000: 75(1-4), 2001: 76(1-4), 2001: 77(1-4), 2001: 78(1-4), 2002: 79(1-4), 2002: 80(1-4), 2002: 81(1-4), 2003: 82(1-4), 2003: 83(1-4), 2003: 84(1-4), 2004: 85(1-4), 2004: 86(1-4), 2004: 87(1-4), 2004: 88(1-4), 2005: 89(1-4), 2005: 90(1-4), 2005: 91(1-4), 2005: 92(1-4), 2006: 93(1-8), 2006: 94(1-8), 2007: 95(1-8), 2007: 96(1-8), 2008: 97(1-8), 2008: 98(1-8), 2009: 99(1-8), 2009: 100(1-8), 2010: 101(1-8), 2010: 102(1-8), 2011: 103(1-8), 2011: 104(1-8), 2012: 105(1-8), 2012: 106(1-8), 2013: 107(1-8), 2013: 108(1-8), 2014: 109(1-8), 2014: 110(1-8), 2015: 111(1-8), 2015: 112(1-8), 2016: 113(1-8), 2016: 114(1-8), 2017: 115(1-8), 2017: 116(1-8), 2018: 117(1-8), 2018: 118(1-8), 2019: 119(1-8), 2019: 120(1-8), 2020: 121(1-8), 2020: 122(1-8), 2021: 123(1, S1, 2-8), 2021: 124(1-8), 2022: 125(1-8), 2022: 126(1-8), 2023: 127(1-8), 2023: 128(1-8), 2024: 129(1-8), 2024: 130(1-8), 2025: 131(1-8), 2025: 132(1-8), 2026: 133(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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46 to 133
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.100:1-8;vol.101:1-8;vol.102:1-8;vol.103:1-8;vol.104:1-8;vol.105:1-8;vol.106:1-8;vol.107:1-8;vol.108:1-8;vol.109:1-8;vol.110:1-8;vol.111:1-8;vol.112:1-8;vol.113:1-8;vol.114:1-8;vol.115:1-8;vol.116:1-8;vol.117:1-8;vol.118:1-8;vol.119:1-8;vol.120:1-8;vol.121:1-8;vol.122:1-8;vol.123:1;vol.64:1-4;vol.65:1-4;vol.66:1-4;vol.67:1-4;vol.68:1-4;vol.69:1-4;vol.70:1-4,S4;vol.71:1-4;vol.72:1-4;vol.73:1-4;vol.74:1-4;vol.75:1-4;vol.76:1-4;vol.77:1-4;vol.78:1-4;vol.79:1-4;vol.80:1-4;vol.81:1-4;vol.82:1-4;vol.83:1-4;vol.84:1-4;vol.85:1-4;vol.86:1-4;vol.87:1-4;vol.88:1-4;vol.89:1-4;vol.90:1-4;vol.91:1-4;vol.92:1-4;vol.93:1-8;vol.94:1-8;vol.95:1-8;vol.96:1-8;vol.97:1-8;vol.98:1-8;vol.99:1-8
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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 8); 7 (S4, 1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 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); 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); 91 (1 to 4); 92 (1 to 4); 93 (1 to 8); 94 (1 to 8); 95 (1 to 8); 96 (1 to 8); 97 (1 to 8); 98 (1 to 8); 99 (1 to 8); 111 (1 to 8); 112 (1 to 8); 113 (1 to 8); 114 (1 to 8); 115 (1 to 8); 116 (1 to 8); 117 (1 to 8); 118 (1 to 8); 119 (1 to 8); 121 (1 to 8); 122 (1 to 8); 123 (S1, 1 to 8); 124 (1 to 8); 125 (1 to 8); 126 (1 to 8); 127 (1 to 8); 128 (1 to 3, 5 to 8); 129 (1 to 8); 131 (1 to 8); 132 (1 to 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 : 1 (1 to 8); 7 (S4, 1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 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); 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); 91 (1 to 4); 92 (1 to 4); 93 (1 to 8); 94 (1 to 8); 95 (1 to 8); 96 (1 to 8); 97 (1 to 8); 98 (1 to 8); 99 (1 to 8); 111 (1 to 8); 112 (1 to 8); 113 (1 to 8); 114 (1 to 8); 115 (1 to 8); 116 (1 to 8); 117 (1 to 8); 118 (1 to 8); 119 (1 to 8); 121 (1 to 8); 122 (1 to 8); 123 (S1, 1 to 8); 124 (1 to 8); 125 (1 to 8); 126 (1 to 8); 127 (1 to 8); 128 (1 to 3, 5 to 8); 129 (1 to 8); 131 (1 to 8); 132 (1 to 6)
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