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Internet Archive
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Preserved
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2025-08-08
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1 to 113
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 28(1-3), 1986: 29(1-3), 1987: 30(1-3, Index), 1987: 31(1-3, Index), 1988: 32(1-3), 1988: 33(1-3, Index), 1989: 34(1-6, Index), 1989: 35(1-6, Index), 1990: 36(1-6, Index), 1990: 37(1-6), 1991: 38(1-6), 1991: 39(1-6), 1992: 40(1-6, Index), 1992: 41(1-6, Index), 1993: 42(1-6), 1993: 43(1-6), 1994: 44(1-6), 1994: 45(1-6), 1995: 46(1-6), 1995: 47(1-6), 1996: 48(1-6), 1996: 49(1-6), 1997: 50(1-6), 1997: 51(1-6), 1998: 52(1-6), 1998: 53(1-6), 1999: 54(1-6), 1999: 55(1-6), 2000: 56(1-6), 2000: 57(1-6), 2001: 58(1-6), 2001: 59(1-6), 2002: 60(1-6), 2002: 61(1-6), 2003: 62(1-6), 2003: 63(1-6), 2004: 64(1-6), 2004: 65(1-6), 2005: 66(1-6), 2005: 67(1-6), 2006: 68(1-6), 2006: 69(1-6), 2007: 70(1-6), 2007: 71(1-6), 2008: 72(1-6), 2008: 73(1-6), 2009/2010: 74(1-6), 2010/2011: 75(1-4), 2011: 76(1-4), 2012: 77(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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28 to 141
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 30 (1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 6); 35 (, 1 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 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 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 4, 5-6); 54 (, 1-2, 3-4, 5-6); 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 (, 1-2, 3 to 6); 67 (, 1, 2, 3-5, 6); 68 (, 1-3, 4-6); 69 (, 1-3, 4-6); 70 (, 1-3, 4-6); 71 (, 1-3, 4-6); 72 (, 1-3, 4-6); 73 (, 1-3, 4-5, 6); 74 (, 1, 2, 3-4, 5-6); 75 (, 1-2, 3, 4); 76 (, 2, 3-4); 77 (, 1); 78; 79; 80; 81; 82; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128; 129; 131; 132; 133; 134; 135; 136; 137; 138; 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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Portico
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Preserved
|
2026-02-12
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Preserved : 2013: 83(C), 2013: 84(C), 2014: 85(C), 2014: 86(C), 2014: 87(C), 2014: 88, 2015: 89(C), 2015: 90(C), 2015: 91(C), 2015: 92(C), 2016: 93(C), 2016: 94(C), 2016: 95, 2016: 96, 2017: 97, 2017: 98, 2017: 99, 2017: 100, 2018: 101, 2018: 102, 2018: 103, 2018: 104, 2019: 105, 2019: 106, 2019: 107, 2019: 108, 2020: 109, 2020: 110, 2020: 111, 2020: 112, 2021: 113, 2021: 114, 2021: 115, 2021: 116, 2022: 117, 2022: 118, 2022: 119, 2022: 120, 2022: 121, 2022: 122, 2023: 123, 2023: 124, 2023: 125, 2023: 126, 2023: 127, 2023: 128, 2024: 129, 2024: 130, 2024: 131, 2024: 132, 2024: 133, 2024: 134, 2025: 135, 2025: 136, 2025: 137, 2025: 138, 2025: 139, 2025: 140, 2026: 141
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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 : 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1, I, 2-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1, I, 2-6); 41 (1, I, 2-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1, 2, 4-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-4, 5-6); 54 (1-2, 3-4, 5-6); 55 (1-6); 56 (1-6); 57 (1-6); 58 (1-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-6); 65 (1-6); 66 (1-2, 3-6); 67 (1, 2, 3-5, 6); 68 (1-3, 4-6); 69 (1-3, 4-6); 70 (1-3, 4-6); 71 (1-3, 4-6); 72 (1-3, 4-6); 73 (1-3, 4-5, 6); 74 (1, 2, 3-4, 5-6); 75 (1-2, 3, 4); 76 (1, 3-4); 77 (1); 78 (C); 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 93; 94; 95; 96; 97; 98; 99; 100; 101; 105; 106; 107; 108
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