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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 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 6); 10 (, 1, 5); 11 (, 1 to 4, 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 4, 5-6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1-2, 3 to 6); 19 (, 1-2, 3, 4, 5-6); 20 (, 1-2, 3 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 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, 2-3, 4 to 6); 32 (, 1-2, 3 to 12); 33 (, 1 to 10, 11-12, 13 to 15); 34 (, 1 to 12); 35 (, 1 to 8, 9-10, 11, 12); 36 (, 1 to 6, 7-8, 9, 10, 11-12); 37 (, 1 to 9, 10-11, 12); 38 (, 1 to 5, 6-8, 9 to 12); 39 (, 1 to 5, 6-7, 8 to 12); 40 (, 1 to 3, 4-5, 6, 7, 8-10, 11, 12); 41 (, 1 to 8, 9-10, 11, 12); 42 (, 1 to 3, 4-5, 6 to 8, 9-11, 12); 43 (, 1 to 8, 9-11, 12); 44 (, 1 to 8, 9-11, 12); 45 (, 1, 2, 3-4, 5-6, 7-8, 9-11, 12); 46 (, 1, 2-4, 5-6, 7, 8, 9-11, 12); 47 (, 1, 2-3, 4-5, 6 to 8, 9-11, 12); 48 (, 1 to 7, 8-9, 10, 11-12); 49 (, 1 to 8, 9-11, 12); 50 (, 1 to 8, 9-11, 12); 51 (, 1 to 8, 9-11, 12); 52 (, 1 to 8, 9-10, 11, 12); 53 (, 1 to 8, 9-11, 12); 54 (, 1 to 5, 6-7, 9-10, 11, 12); 55 (, 1, 2, 3-4, 5 to 8, 9-10, 11); 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 74; 75; 76; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 102; 103; 104; 105; 106; 107; 113; 114; 115; 116; 117; 118; 119; 120; 121; 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; 149; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 170; 171; 172; 173; 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; 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 76, 78 to 88, 91 to 100, 102 to 121, 123 to 152, 154 to 176
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Portico
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Preserved
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2026-02-12
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Preserved : 1962: 1(1-4), 1963: 2(1-4), 1964: 3(1, Index 1, 2-4), 1965: 4(1, Index 1, 2-4), 1966: 5(1-4), 1967: 6(1, Index 1, 2-4), 1968: 7(1-4), 1969: 8(1-4), 1970: 9(1-6), 1971: 10(1, Index 1, 2-6), 1972: 11(1-6), 1973: 12(1-6), 1974: 13(1, Index 1, 2-6), 1975: 14(1-6), 1976: 15(1-6, S), 1977: 16(1, Index 1, 2-6), 1978: 17(1-6), 1978: 18(1-6), 1979: 19(1-6), 1980: 20(1-6, Index), 1981: 21(1-6), 1982: 22(1-6), 1983: 23(1-6), 1984: 24(1-6), 1985: 25(1-6), 1986: 26(1-6), 1987: 27(1-6), 1988: 28(1-6), 1989: 29(1-6), 1990: 30(1-6), 1991: 31(1-6), 1992: 32(1-12), 1993: 33(1-15), 1994: 34(1-12, Index), 1995: 35(1-12), 1996: 36(1-12), 1997: 37(1-12), 1998: 38(1-12), 1999: 39(1-12), 2000: 40(1-12), 2001: 41(1-12), 2002: 42(1-12), 2003: 43(1-12), 2004: 44(1-12), 2005: 45(1-12), 2006: 46(1-12), 2007: 47(1-12), 2008: 48(1-12), 2009: 49(1-12), 2010: 50(1-12), 2011: 51(1-12), 2012: 52(1-12), 2013: 53(1-12), 2014: 54(1-12), 2015: 55(1-12), 2016: 56, 2016: 57(C), 2016: 58(C), 2016: 59(C), 2016: 60, 2016: 61(C), 2016: 62(C), 2016: 63, 2016: 64, 2016: 65, 2016: 66, 2016: 67, 2017: 68, 2017: 69, 2017: 70, 2017: 71, 2017: 72, 2017: 73, 2017: 74, 2017: 75, 2017: 76-77, 2017: 78, 2017: 79, 2018: 80, 2018: 81, 2018: 82, 2018: 83, 2018: 84, 2018: 85, 2018: 86, 2018: 87, 2018: 88-90, 2018: 91(Part 1, Part 2), 2019: 92, 2019: 93, 2019: 94, 2019: 95, 2019: 96, 2019: 97, 2019: 98, 2019: 99, 2019: 100-101, 2019: 102, 2019: 103, 2020: 104, 2020: 105, 2020: 106, 2020: 107, 2020: 108, 2020: 109, 2020: 110, 2020: 111, 2020: 112, 2020: 113, 2020: 114, 2021: 116, 2021: 117, 2021: 118, 2021: 119, 2021: 120, 2021: 121, 2021: 122, 2021: 123, 2021: 124, 2021: 125, 2021: 126, 2021: 127, 2022: 128, 2022: 129, 2022: 130, 2022: 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, 2023: 148, 2023: 149, 2023: 150, 2023: 151, 2024: 152, 2024: 153, 2024: 154, 2024: 155, 2024: 156, 2024: 157, 2024: 158, 2024: 159, 2024: 160, 2024: 161, 2024: 162, 2024: 163, 2025: 164, 2025: 165, 2025: 166, 2025: 167, 2025: 168, 2025: 169, 2025: 170, 2025: 171, 2025: 172, 2025: 173, 2025: 174, 2025: 175, 2026: 176, 2026: 177
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Internet Archive
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Preserved
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2025-08-08
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3 to 40
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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 (I1, 1-4); 4 (I1, 1-4); 5 (1-4); 6 (I1, 1-4); 7 (1-4); 8 (1-4); 9 (1-6); 10 (I1, 1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-4, 5-6); 15 (S, 1-6); 16 (I1, 1-6); 17 (1-6); 18 (1-2, 3-6); 19 (1-2, 3, 4, 5-6); 20 (1-2, I, 3-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-4-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1, 2-3, 4-6); 32 (1-2, 3-12); 33 (1-10, 11-12, 13-15); 34 (1, I, 2-12); 35 (1, I, 2-8, 9-10, 11, 12); 36 (1, I, 2-6, 7-8, 9, 10, 11-12); 37 (I1, 1-9, 10-11, 12); 38 (1-5, 6-8, 9-12); 39 (1-5, 6-7, 8-12); 40 (1-3, 4-5, 6, 7, 8-10, 11, 12); 41 (1-8, 9-10, 11, 12); 42 (1-3, 4-5, 6-8, 9-11, 12); 43 (1-8, 9-11, 12); 44 (1-8, 9-11, 12); 45 (1, 2, 3-4, 5-6, 7-8, 9-11, 12); 46 (1, 2-4, 5-6, 7, 8, 9-11, 12); 47 (1, 2-3, 4-5, 6-8, 9-11, 12); 48 (1-7, 8-9, 10, 11-12); 49 (1-8, 9-11, 12); 50 (1-8, 9-11, 12); 51 (1-8, 9-11, 12); 52 (1-8, 9-10, 11, 12); 53 (1-8, 9-11, 12); 54 (1-5, 6-7, 8, 9-10, 11, 12); 55 (1, 2, 3-4, 5-8, 9-10, 11, 12PA); 56 (C); 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 74; 75; 76-77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88-90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 102
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