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Portico
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Preserved
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2026-02-12
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Preserved : 1951: 1(1-6), 1952: 2(1-6), 1953: 3(1-6), 1954: 4(1-6), 1955: 5(1-6), 1956: 6(1-6), 1957: 7(1-6), 1958: 8(1-6), 1959: 9(1-6), 1960: 10(1-6), 1961: 11(1-6), 1962: 12(1-6), 1963: 13(1-6), 1964: 14(1-6), 1965: 15(1-6), 1966: 16(1-6), 1967: 17(1-6), 1967: 18(1-6), 1968: 19(1-6), 1968: 20(1-6), 1969: 21(1-6), 1969: 22(1-6), 1970: 23(1-6), 1970: 24(1-6), 1971: 25(1-6), 1971: 26(1-6), 1972: 27(1-6), 1972: 28(1-6), 1973: 29(1-6), 1973: 30(1-6), 1974: 31(1-6), 1974: 32(1-6), 1975: 33(1-6), 1975: 34(1-6), 1976: 35(1-6), 1976: 36(1-6), 1977: 37(1-6), 1977: 38(1-6), 1978: 39(1-6), 1978: 40(1-6), 1979: 41(1-6), 1979: 42(1-6), 1980: 43(1-6), 1980: 44(1-6), 1981: 45(1-6), 1981: 46(1-6), 1982: 47(1-6), 1982: 48(1-6), 1983: 49(1-6), 1983: 50(1-6), 1984: 51(1-6), 1984: 52(1-6), 1985: 53(1-6), 1985: 54(1-6), 1986: 55(1-6), 1986: 56(1-6), 1987: 57(1-6), 1987: 58(1-6), 1988: 59(1-6), 1988: 60(1-6), 1989: 61(1-6), 1989: 62(1-6), 1990: 63(1-6), 1990: 64(1-6), 1991: 65(1-6), 1991: 66(1-6), 1992: 67(1-6), 1992: 68(1-6), 1993: 69(1-6), 1993: 70(1-6), 1994: 71(1-6), 1994: 72(1-6), 1995: 73(1-6), 1995: 74(1-6), 1996: 75(1-6), 1996: 76(1-6), 1997: 77(1-6), 1997: 78(1-6), 1998: 79(1-6), 1998: 80(1-6), 1999: 81(1-6), 1999: 82(1-6), 2000: 83(1-6), 2000: 84(1-6), 2001: 85(1-6), 2001: 86(1-6), 2002: 87(1-6), 2002: 88(1-6), 2003: 89(1-6), 2003: 90(1-6), 2004: 91(1-6), 2004: 92(1-6), 2005: 93(1-6), 2005: 94(1-6), 2006: 95(1-6), 2006: 96(1-6), 2007: 97(1-6), 2007: 98(1-6), 2008: 99(1-6), 2008: 100(1-6), 2009: 101(1-6), 2009: 102(1-6), 2010: 103(1-6), 2010: 104(1-6), 2011: 105(1-6), 2011: 106(1-6), 2012: 107(1-6), 2012: 108(1-6), 2013: 109(1-6), 2013: 110(1-6), 2014: 111(1-6), 2014: 112(1-6), 2015: 113(1-6), 2015: 114(1-6), 2016: 115(1-6), 2016: 116(1-6), 2017: 117(1-6), 2017: 118(1-6), 2018: 119(1-6), 2018: 120(1-6), 2019: 121(1-6), 2019: 122(1-6), 2020: 123(1-6), 2020: 124(1-6), 2021: 125(2-6), 2021: 126(1-4, 6), 2022: 127(1-6), 2022: 128(1-6), 2023: 129(1-6), 2023: 130(1-6), 2024: 131(1-6), 2024: 132(1-6), 2025: 133(1-6), 2025: 134(1-6), 2026: 135(1)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1-2, 3 to 6); 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 to 6); 20 (, 1 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 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 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 6); 54 (, 1 to 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 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 6); 88 (, 1 to 6); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 1 to 6); 92 (, 1 to 6); 93 (, 1 to 6); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 6); 98 (, 1 to 6); 99 (, 1 to 6); 100 (, 1 to 6); 101 (, 1 to 6); 102 (, 1 to 6); 103 (, 1 to 6); 104 (, 1 to 6); 105 (, 1 to 6); 106 (, 1 to 6); 107 (, 1 to 6); 108 (, 1 to 6); 109 (, 1 to 6); 110 (, 2 to 6); 111 (, 1 to 6); 112 (, 1 to 6); 113 (, 1 to 6); 114 (, 1 to 6); 115 (, 1 to 6); 116 (, 1 to 6); 117 (, 1 to 6); 118 (, 1 to 6); 119 (, 1 to 6); 120 (, 1 to 6); 121 (, 1 to 6); 122 (, 1 to 6); 123 (, 1 to 4); 124 (, 5, 6); 125 (, 2 to 6); 126 (, 1 to 6); 127 (, 1 to 6); 128 (, 1 to 6); 129 (, 1 to 6); 130 (, 1 to 6); 131 (, 1 to 6); 132 (, 1 to 6); 133 (, 1 to 6); 134 (, 1, 2); 1951; 1952; 1953; 1954; 1955; 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; 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 135
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Internet Archive
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Preserved
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2025-08-08
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1 to 104
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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 (1-2, 3-6); 2 (1-6); 3 (1-6); 4 (1-6); 5 (1-6); 6 (1-6); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-5, 6P1); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-3-5, 6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-6); 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 (1-6); 67 (1-6); 68 (1-6); 69 (1-6); 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-6); 75 (1-6); 76 (1-6); 77 (1-6); 78 (1-6); 79 (1-6); 80 (1-6); 81 (1-6); 82 (1-6); 83 (1-6); 84 (1-6); 85 (1-6); 86 (1-6); 87 (1-6); 88 (1-6); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-6); 93 (1-6); 94 (1-6); 95 (1-6); 96 (1-6); 97 (1-6); 98 (1-6); 99 (1-6); 100 (1-6); 101 (1-6); 102 (1-6); 103 (1-6); 104 (1-6); 105 (1-6); 106 (1-6); 107 (1-6); 108 (1-6); 109 (1-6); 110 (1-6); 111 (1-6); 112 (1-6); 113 (1-6); 114 (1-6); 115 (1-6); 116 (1-6); 117 (1-6); 118 (1-6); 119 (1, 2, 4-6); 120 (1-6); 121 (1-6); 122 (1-5); 131 (1-3); 347 (C)
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