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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 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 6); 39 (1 to 6); 40 (1 to 6); 41 (2 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)
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Internet Archive
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Preserved
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2025-08-08
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1 to 38
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Portico
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Preserved
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2026-04-09
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Preserved : 1972/1973: 1(1-4), 1975/1976: 2(1-4), 1976/1977: 3(1-4), 1977/1978: 4(1-4), 1978/1979: 5(1-4), 1979/1980: 6(1-4), 1980/1981: 7(1-4), 1981/1982: 8(1-4), 1982/1983: 9(1-4), 1983/1984: 10(1-4), 1984/1985: 11(1-4), 1985/1986: 12(1-4), 1986/1987: 13(1-4), 1987/1988: 14(1-4), 1988/1989: 15(1-4), 1989/1990: 16(1-4), 1990/1991: 17(1-4), 1991/1992: 18(1-4), 1992/1993: 19(1-4), 1993/1994: 20(1-4), 1994/1995: 21(1-4), 1995/1996: 22(1-4), 1996/1997: 23(1-4), 1997/1998: 24(1-4), 1998/1999: 25(1-4), 1999/2000: 26(1-4), 2000/2001: 27(1-4), 2001/2002: 28(1-4), 2002/2003: 29(1-4), 2003/2004: 30(1-4), 2004/2005: 31(1-4), 2005/2006: 32(1-4), 2006/2007: 33(1-4), 2007/2008: 34(1-4), 2008/2009: 35(1-4), 2009/2010: 36(1-4), 2010: 37(1-4), 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(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-06
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11 to 31, 33, 43 to 53
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LOCKSS Archive
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In Progress
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2026-04-06
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11 to 26, 52, 53
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LOCKSS Archive
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Preserved
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2026-04-06
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27 to 51
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CLOCKSS Archive
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Preserved
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2026-04-06
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32, 34 to 42
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LOCKSS Archive
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In Progress
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2026-04-06
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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 (2-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (2-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1, 3, 4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-6); 40 (1-3, 5, 6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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36 (3, 4); 37 (1 to 4); 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)
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British Library
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Preserved
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2019-09-18
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Preserved : 41 (1 to 6), 42 (1 to 6), 43 (1 to 6), 44 (1 to 6), 45 (1 to 6)
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