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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 (, 1‐2, 3, 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1, 2‐3, 4‐5, 6); 13 (, 1, 2, 3‐4, 5‐6); 14 (, 1‐2, 3‐4, 5, 6); 15 (, 1 to 6); 16 (, 1 to 4, 5‐6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1, 2, 3‐4, 5, 6); 23 (, 1, 2, 3‐4, 5, 6); 24 (, 1 to 3, 4‐5, 6); 25 (, 1, 2‐3, 4, 5‐6); 26 (, 1 to 6); 27 (, 1 to 4, 5‐6); 28 (, 1 to 4, 5‐6); 29 (, 1 to 6); 30 (, 1, 2‐3, 4 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 8); 36 (, 1 to 8); 37 (, 1 to 8); 38 (, 1 to 8); 39 (, 1 to 8); 40 (, 1 to 8); 41 (, 1 to 8); 42 (, 1 to 8); 43 (, 1 to 8); 44 (, 1 to 8); 45 (, 1 to 8); 46 (, 1 to 8); 47 (, 1 to 6); 48 (, 1 to 8); 49 (, 1 to 10); 50 (, 1 to 12); 51 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 3, 5 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 6, 8 to 12); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 12); 77 (, 1 to 12); 78 (, 1 to 12); 79 (, 1 to 12); 80 (, 1 to 6); 1948; 1949; 1950; 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; 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
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2026-02-12
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Preserved : 1948: 1(1-4), 1949: 2(1-4), 1950: 3(1-4), 1951: 4(1-4), 1952: 5(1-4), 1953: 6(1-4), 1954: 7(1-4), 1955: 8(1-4), 1955: 9(1-4), 1956: 10(1-4), 1957: 11(1-4), 1958: 12(1-6), 1959: 13(1-6), 1959: 14(1-6), 1960: 15(1-6), 1961: 16(1-6), 1962: 17(1-6), 1963: 18(1-6), 1962/1964: 19(1-6), 1965: 20(1-6), 1966: 21(1-6), 1967: 22(1-6), 1968: 23(1-6), 1969: 24(1-6), 1970: 25(1-6), 1971: 26(1-6), 1972: 27(1-6), 1973: 28(1-6), 1974: 29(1-6), 1974/1975: 30(1-6), 1976: 31(1-6), 1977: 32(1-6), 1978: 33(1-6), 1979: 34(1-6), 1980: 35(1-8), 1981: 36(1-8), 1982: 37(1-8), 1983: 38(1-8), 1984: 39(1-8), 1985: 40(1-8), 1986: 41(1-8), 1987: 42(1-8), 1988: 43(1-8), 1989: 44(1-s10), 1990: 45(1-8), 1991: 46(1-8, s11), 1992: 47(1-2, 2, Part 1, 3-6, s12-s13), 1993: 48(1-8, s14-s17), 1994: 49(1-10, s18-s19), 1995: 50(1-12, s20-s27), 1996: 51(1-12, s28-s32), 1997: 52(1-12, s33-s40), 1998: 53(1-12), 1999: 54(1-12), 2000: 55(1-12), 2001: 56(1-12), 2002: 57(1-12), 2003: 58(1-12), 2004: 59(1-12), 2005: 60(1-12), 2006: 61(1-12), 2007: 62(1-12), 2008: 63(1-12), 2009: 64(1-12), 2010: 65(1-12), 2011: 66(1-12), 2012: 67(1-12, s96), 2013: 68(1-12, s97-s98), 2014: 69(1-12, s99), 2015: 70(1-12, s100, S101), 2016: 71(1-12, S102), 2017: 72(1-12, S103), 2018: 73(1-12, S104, S105), 2019: 74(1-12, S106, S107, S108), 2020: 75(1-12, S109), 2021: 76(1-12, S110), 2022: 77(1-12), 2023: 78(1-12, S111, S112), 2024: 79(1-12, S113), 2025: 80(1-12, S114), 2026: 81(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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38, 44, 46 to 81
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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 : 6 (, 1 to 9, 11, 12); 7 (, 1 to 9, 11, 12); 8 (1 to 8); 52 (, 1 to 9, 11, 12); 53 (, 1 to 9, 11, 12); 54 (, 1 to 9, 11, 12); 55 (Supp59, 1 to 9, 11, 12); 56 (S68, 1 to 9, 11, 12); 57 (, 1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (, 1 to 9, 11, 12); 61 (, 1 to 9, 11, 12); 62 (, 1 to 9, 11, 12); 63 (, 1 to 9, 11, 12); 64 (, 1 to 9, 11, 12); 65 (, 1 to 9, 11, 12); 66 (, 1 to 9, 11, 12); 67 (, 1 to 9, 11, 12); 68 (, 1 to 9, 11, 12); 69 (, 1 to 9, 11, 12); 71 (, 1 to 9, 11, 12); 72 (, 1 to 9, 11, 12); 73 (, 1 to 9, 11, 12); 74 (S16, 1 to 9, 11, 12); 75 (S19, 1 to 9, 11, 12); 76 (S11, 1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (S111, 1 to 9, 11, 12); 79 (S113, 1 to 5, 7 to 9, 11, 12)
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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 : 6 (, 1 to 9, 11, 12); 7 (, 1 to 9, 11, 12); 8 (1 to 8); 52 (, 1 to 9, 11, 12); 53 (, 1 to 9, 11, 12); 54 (, 1 to 9, 11, 12); 55 (Supp59, 1 to 9, 11, 12); 56 (S68, 1 to 9, 11, 12); 57 (, 1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (, 1 to 9, 11, 12); 61 (, 1 to 9, 11, 12); 62 (, 1 to 9, 11, 12); 63 (, 1 to 9, 11, 12); 64 (, 1 to 9, 11, 12); 65 (, 1 to 9, 11, 12); 66 (, 1 to 9, 11, 12); 67 (, 1 to 9, 11, 12); 68 (, 1 to 9, 11, 12); 69 (, 1 to 9, 11, 12); 71 (, 1 to 9, 11, 12); 72 (, 1 to 9, 11, 12); 73 (, 1 to 9, 11, 12); 74 (S16, 1 to 9, 11, 12); 75 (S19, 1 to 9, 11, 12); 76 (S11, 1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (S111, 1 to 9, 11, 12); 79 (S113, 1 to 5, 7 to 9, 11, 12)
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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 : 61 (s81, 1-12); 62 (8-12)
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