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Portico
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Preserved
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2026-02-12
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Preserved : 1970: 1(1-4), 1971: 2(1-4), 1972: 3(1-4), 1973: 4(1-3), 1973: 5(1-3), 1974: 6(1-4), 1975: 7(1-4), 1976: 8(1-4), 1977: 9(1-4), 1978: 10(1-4), 1979: 11(1-4), 1980: 12(1-4), 1981: 13(1-4), 1982: 14(1-4), 1983: 15(1-4), 1984: 16(1-4), 1985: 17(1-4), 1986: 18(1-4), 1987: 19(1-4), 1988: 20(1-4), 1989: 21(1-4), 1990: 22(1-4), 1991: 23(1-4), 1992: 24(1-4)
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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 4); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 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 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 4); 39 (, 1, 2, 3/4); 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 (, 1-2, 3, 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1-2, 4); 69; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 122; 123; 124; 125; 126; 127; 128; 129; 130; 131; 132; 133; 134; 135; 136; 137; 138; 139; 140; 141; 142; 143; 144; 145; 146; 147; 148; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 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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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 162
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 26(1-3), 1994: 27(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 30(1-2), 1996: 31(1-3), 1997: 32(1-3), 1997: 33(1-3), 1997: 34(1-3), 1998: 35(1-3), 1998: 36(1-3), 1998: 37(1-3), 1999: 38(1-4), 1999: 39(1-4), 2000: 40(1-4), 2000: 41(1-4), 2001: 42(1-4), 2001: 43(1-4), 2002: 44(1-4), 2002: 45(1-4), 2003: 46(1-4), 2003: 47(1-4), 2004: 48(1-4), 2004: 49(1-4), 2005: 50(1-4), 2005: 51(1-4), 2006: 52(1-4), 2006: 53(1-4), 2007: 54(1-4), 2007: 55(1-4), 2008: 56(1-4), 2008: 57(1-4), 2009: 58(1-4), 2009: 59(1-4), 2010: 60(1-4), 2010: 61(1-4), 2011: 62(1-4), 2011: 63(1-4), 2012: 64(1-4), 2012: 65(1-4), 2013: 66(1-4), 2013: 67(1-4), 2014: 68(C), 2014: 69(C), 2014: 70(C), 2014: 71(C), 2014: 72(C), 2014: 73(C), 2014: 74(C), 2014: 75(C), 2015: 76(C), 2015: 77(C), 2015: 78(C), 2015: 79(C), 2015: 80(C), 2015: 81(C), 2015: 82, 2015: 83(C), 2016: 84, 2016: 85, 2016: 86(C), 2016: 87, 2016: 88, 2016: 89, 2016: 90(C), 2016: 91, 2017: 92, 2017: 93, 2017: 94, 2017: 95, 2017: 96, 2017: 97, 2017: 98, 2017: 99, 2018: 100, 2018: 101, 2018: 102, 2018: 103, 2018: 104, 2018: 105, 2018: 106, 2018: 107, 2019: 108, 2019: 109, 2019: 110, 2019: 111, 2019: 112, 2019: 113, 2019: 114, 2019: 115, 2020: 116, 2020: 117, 2020: 118, 2020: 119, 2020: 120, 2020: 121, 2020: 122, 2020: 123, 2021: 124, 2021: 125, 2021: 126, 2021: 127, 2021: 128, 2021: 129, 2021: 130, 2021: 131, 2022: 132, 2022: 133, 2022: 134, 2022: 135, 2022: 136, 2022: 137, 2022: 138, 2022: 139, 2023: 140, 2023: 141, 2023: 142, 2023: 143, 2023: 144, 2023: 145, 2023: 146, 2023: 147, 2024: 148, 2024: 149, 2024: 150, 2024: 151, 2024: 152, 2024: 153, 2024: 154, 2024: 155, 2025: 156, 2025: 157, 2025: 158, 2025: 159, 2025: 160, 2025: 161, 2026: 162
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-3); 5 (1-3); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1-3); 36 (1-3); 37 (1-3); 38 (1-4); 39 (1, 2, 3-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1-2, 3, 4); 65 (1-4); 66 (2-4); 67 (1-2, 3, 4); 68 (C); 69; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115
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