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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); 2 (, 3); 3 (, 4, 5); 9 (, 16, 17); 10 (, 18, 19); 11 (, 20, 21); 12 (, 22, 23); 13 (, 24, 25); 14 (, 26, 27); 15 (, 28 to 31); 16 (, 32 to 35); 17 (, 36 to 39); 18 (, 40 to 42); 19 (, 43 to 46); 20 (, 47 to 49, 50-51); 21 (, 52, 53, 54-55); 22 (, 56 to 59); 23 (, 60 to 63); 24 (, 64 to 66); 25 (, 67 to 71); 26 (, 72 to 75); 27 (, 76 to 80); 28 (, 81 to 84); 29 (, 85, 86); 30 (, 87 to 89); 31 (, 90, 91); 32 (, 1, 3, 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 3); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1, 2); 1977; 1978; 1979; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 48
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 49
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LOCKSS Archive
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In Progress
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2026-02-09
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49
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 24(64)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 27(76-80), 2004/2005: 28(81-84), 2005: 29(85-86), 2006: 30(89)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 32(1-4), 2009: 33(1-4), 2010: 34(1-4), 2011: 35(1-4), 2012: 36(1-4), 2013: 37(1-4), 2014: 38(1-4), 2015: 39(1-4), 2016: 40(1-4), 2017: 41(1-4), 2018: 42(1-4), 2019: 43(1-4), 2020: 44(1-4), 2021: 45(1-4), 2022: 46(1-4), 2023: 47(1-4), 2024: 48(1-4), 2025: 49(1-4)
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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 : 3 (87 to 89); 4 (1 to 4); 21 (52, 53, 54-55); 22 (56 to 59); 23 (6, 61 to 63); 24 (64 to 66); 25 (7, 67 to 69, 71); 26 (72 to 75); 27 (8, 76 to 79); 28 (81 to 84); 29 (85, 86); 31 (9, 91); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1)
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Library of Congress
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Preserved
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2025-04-07
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34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 3); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 3)
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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); 2 (3); 3 (4, 5); 4 (6, 7); 5 (8, 9); 6 (10, 11); 7 (12, 13); 8 (14, 15); 9 (16, 17); 10 (18, 19); 11 (20, 21); 12 (22, 23); 13 (24, 25); 14 (26, 27); 15 (28-31); 16 (32-35); 17 (2, 36-39); 18 (40-42); 19 (43-46); 20 (47-49, 50-51); 21 (52, 53, 54-55); 22 (56-59); 23 (60-63); 24 (64-66); 25 (67-71); 26 (72-75); 27 (76-80); 28 (81-84); 29 (85, 86); 30 (87-89); 31 (90, 91); 32 (1-4); 33 (97)
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