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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 7 (1, 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, 4); 23 (1 to 3); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (2 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 3); 36 (1, 3, 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (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, 2); 49 (1 to 4); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 60 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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7 to 49
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Portico
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Preserved
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2026-04-09
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Preserved : 1968/1969: 7(1, 4), 1969/1970: 8(1-4), 1970/1971: 9(1-4), 1971/1972: 10(1-4), 1972/1973: 11(1-4), 1973/1974: 12(1-4), 1974/1975: 13(1-4), 1975/1976: 14(1-4), 1976/1977: 15(1-4), 1977/1978: 16(1-4), 1978/1979: 17(1-4), 1979/1980: 18(1-4), 1980/1981: 19(1-4), 1981/1982: 20(1-4), 1982/1983: 21(1-4), 1983/1984: 22(1-4), 1984/1985: 23(1-4), 1985/1986: 24(1-4), 1986/1987: 25(1-4), 1987/1988: 26(1-4), 1988/1989: 27(1-4), 1989/1990: 28(1-4), 1990/1991: 29(1-4), 1991/1992: 30(1-4), 1992/1993: 31(1-4), 1993/1994: 32(1-4), 1994/1995: 33(1-4), 1995/1996: 34(1-4), 1996/1997: 35(1-4), 1997/1998: 36(1-4), 1998/1999: 37(1-4), 1999/2000: 38(1-4), 2000/2001: 39(1-4), 2001/2002: 40(1-4), 2002/2003: 41(1-4), 2003/2004: 42(1-4), 2004/2005: 43(1-4), 2005/2006: 44(1-4), 2006/2007: 45(1-4), 2007/2008: 46(1-4), 2008/2009: 47(1-4), 2009: 48(1-2), 2010: 49(1-4), 2011: 50(1-6), 2012: 51(1-6), 2013: 52(1-6), 2014: 53(1-6), 2015: 54(1-6), 2016: 55(1-8), 2017: 56(1-8), 2018: 57(1-8), 2019: 58(1-8), 2020: 59(1-8), 2021: 60(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 45, 55 to 65
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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 38, 46, 47, 64, 65
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LOCKSS Archive
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Preserved
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2026-04-06
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39 to 63
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CLOCKSS Archive
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Preserved
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2026-04-06
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46 to 54
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Portico
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Preserved
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2026-04-09
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Preserved : 2021: 60(6-8), 2022: 61(1-8), 2023: 62(1-8), 2024: 63(1-8), 2025: 64(1-8), 2026: 65(1-5)
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Library of Congress
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Preserved
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2025-04-07
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49 (1 to 4); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 60 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8)
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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 : 8; 9 (1-4); 10 (1-4); 11 (1, 2, 4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1, 2); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1, 4); 23 (1-3); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (2-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-3); 36 (1, 3, 4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1, 2, 4); 48 (1, 2); 49 (1-4); 50 (1-5); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-5); 55 (1-8); 56 (1-8); 57 (1-8); 58 (1-8)
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British Library
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Preserved
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2019-09-18
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Preserved : 53 (1 to 6), 54 (1 to 6), 55 (1 to 8), 56 (1 to 8), 57 (1 to 8)
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