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HathiTrust
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Preserved
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2025-11-01
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v.1 (1898-1899)
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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 12); 2 (, 1 to 12); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 8); 8 (, 1 to 24); 9 (, 1 to 24); 10 (, 1 to 24); 11 (, 1 to 24); 12 (, 1Part1, 2 to 24); 13 (, 1 to 24); 14 (, 1 to 24); 15 (, 1 to 24); 16 (, 1 to 24); 17 (, 1 to 23); 18 (, 1 to 24); 19 (, 1 to 25); 20 (, 1 to 24); 21 (, 1 to 25); 22 (, 1 to 25); 23 (, 1 to 24); 25 (, 5, 9, 17); 26 (, 1 to 24); 27 (, 1 to 24); 28 (, 1 to 24); 29 (, 1 to 24); 30 (, 1 to 24); 31 (, 1 to 24); 32 (, 1 to 22); 33 (, 1 to 22); 34 (, 1 to 10, 13 to 22); 35 (, 1 to 22); 36 (, 1 to 7, 9 to 22); 37 (, 1 to 22); 38 (, 1 to 22); 39 (, 1 to 20); 41 (, 14); 42 (, 1, 2, 5, 6, 8 to 22); 43 (, 1 to 22); 44 (, 1, 2, 4 to 22); 45 (, 7, 20); 46 (, 4, 19, 21, 22); 47 (, 1, 3, 6 to 8, 10, 12 to 21); 48 (, 1 to 7, 9, 11 to 22); 49 (, 1 to 17, 19 to 22); 50 (, 1 to 22); 51 (, 1 to 12, 14, 15, 18 to 20); 52 (, 6, 11, 12, 18 to 21); 53 (, 1 to 4); 1974; 1975; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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11 to 33
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Portico
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Preserved
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2026-02-12
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Preserved : 1974: 1(1-12), 1975: 2(1-12), 1976: 3(1-2, 4-10, 12), 1977: 4(1-12), 1978: 5(1-12), 1979: 6(1-12), 1979: 7(1-8), 1980: 8(1-24), 1981: 9(1-24), 1982: 10(1-24), 1983: 11(1-24), 1984: 12(1, Part 1, 1, Part 2, 2-24), 1985: 13(1-24), 1986: 14(1-24), 1987: 15(1-24), 1988: 16(1-24), 1989: 17(1-24), 1990: 18(1-24), 1991: 19(1-25), 1992: 20(1-24), 1993: 21(1-25), 1994: 22(1-25), 1995: 23(1-24), 1996: 24(1-5, 7-24), 1997: 25(1-6, 8-17, 19, 21-22), 1998: 26(1-2, 4-6, 8-15, 17-18, 20-21), 1999: 27(1, 3-22), 2000: 28(1, 6-7, 10-12, 15-16, 18-19, 21), 2001: 29(2, 4-8, 10-15, 17-22), 2002: 30(1-4, 6-10, 12-14, 16-17, 19-22), 2003: 31(1, 3-15, 17-19, 21-22), 2004: 32(1-3, 5-8, 10-22), 2005: 33(1-9, 11-13, 15-16, 18-22), 2006: 34(1-2, 4-22), 2007: 35(1-5, 7, 9-22), 2007/2008: 36(1-14, 16-22), 2008/2009: 37(1-22), 2009/2010: 38(1-17, 19-22), 2010/2011: 39(1-22), 2011/2012: 40(1-22), 2012/2013: 41(1-22), 2013/2014: 42(1-22), 2014/2015: 43(1-22), 2015/2016: 44(1-22), 2016/2017: 45(1-22), 2018: 46(1-22), 2019: 47(1-22), 2020: 48(1-22), 2021: 49(1-22), 2022: 50(1-22), 2023: 51(1-22), 2024: 52(1-22), 2025: 53(1-22), 2026: 54(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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33, 35 to 52
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CLOCKSS Archive
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Preserved
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2026-02-09
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36 to 43, 46
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CLOCKSS Archive
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In Progress
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2026-02-09
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44, 45, 47 to 53
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LOCKSS Archive
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In Progress
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2026-02-09
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53
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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 : 11 (3)
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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 : 48 (12, 16, 18, 21); 49 (1)
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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 : 48 (12, 16, 18, 21); 49 (1)
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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 (1-12); 2 (1-12); 4 (1-12); 5 (1-12); 6 (1-12); 7 (1-8); 8 (1-24); 9 (1-24); 10 (1-24); 11 (1-24); 12 (1Part1, 2-24); 13 (1-24); 14 (1-24); 15 (1-24); 16 (1-24); 17 (1-24); 18 (1-24); 19 (1-25); 20 (1-24); 21 (1-25); 22 (1-25); 23 (1-24); 81 (8)
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Library of Congress
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Preserved
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2025-04-07
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38 (suppl_2, 2, 10, 12 to 22); 39 (suppl_1, suppl_2, 1 to 22); 40 (D1, W1, 1 to 22); 41 (D1, W1, 1 to 22); 42 (D1, W1, 1 to 22); 43 (D1, W1, 1 to 22); 44 (D1, W1, 1 to 19); 45 (W1, 7, 20); 46 (W1, D1, 4, 12, 19, 21, 22); 47 (D1, 1, 3, 6 to 8, 10, 12 to 21); 48 (D1, W1, 1 to 3, 5 to 7, 9, 11); 49 (D1, W1, 1 to 17, 19 to 22); 50 (D1, 1 to 5)
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British Library
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Preserved
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2019-09-18
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Preserved : 25 (9), 41 (14), 42 (1 to 12), 43 (1 to 5; 7 to 9; 12 to 22), 44 (3 to 5; 8 to 9; 11 to 19), 45 (7), 46 (12; 22), 47 (14), 93 (8)
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