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