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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 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 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, 2, 3-4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 5); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (2 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (2 to 4); 75 (1 to 4); 76 (1)
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Internet Archive
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Preserved
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2025-08-08
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14 to 65
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 74
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Portico
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Preserved
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2026-04-02
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Preserved : 1950/1951: 1(1-6), 1951/1952: 2(1-6), 1952/1953: 3(1-6), 1953/1954: 4(1-6), 1954/1955: 5(1-4), 1955/1956: 6(1-4), 1956/1957: 7(1-4), 1957/1958: 8(1-4), 1958/1959: 9(1-4), 1959/1960: 10(1-4), 1960/1961: 11(1-4), 1961/1962: 12(1-4), 1962/1963: 13(1-4), 1963/1964: 14(1-4), 1964/1965: 15(1-4), 1965/1966: 16(1-4), 1966/1967: 17(1-4), 1967/1968: 18(1-4), 1968/1969: 19(1-4), 1969/1970: 20(1-4), 1970/1971: 21(1-4), 1971/1972: 22(1-4), 1972/1973: 23(1-4), 1973/1974: 24(1-4), 1974/1975: 25(1-4), 1975/1976: 26(1-4), 1976/1977: 27(1-4), 1977/1978: 28(1-4), 1978/1979: 29(1-4), 1979/1980: 30(1-4), 1980/1981: 31(1-4), 1981/1982: 32(1-4), 1982/1983: 33(1-4), 1983/1984: 34(1-4), 1984/1985: 35(1-4), 1985/1986: 36(1-4), 1986/1987: 37(1-4), 1987/1988: 38(1-4), 1988/1989: 39(1-4), 1989/1990: 40(1-4), 1990/1991: 41(1-4), 1991/1992: 42(1-4), 1992/1993: 43(1-4), 1993/1994: 44(1-4), 1994/1995: 45(1-4), 1995/1996: 46(1-4), 1996/1997: 47(1-4), 1997/1998: 48(1-4), 1998/1999: 49(1-4), 1999/2000: 50(1-4), 2000/2001: 51(1-4), 2001/2002: 52(1-4), 2002/2003: 53(1-4), 2003/2004: 54(1-4), 2004/2005: 55(1-4), 2005/2006: 56(1-4), 2006/2007: 57(1-4), 2007/2008: 58(1-4), 2008/2009: 59(1-4), 2009/2010: 60(1-5), 2011: 61(1-4), 2012: 62(1-4), 2013: 63(1-4), 2014: 64(1-4), 2015: 65(1-4), 2016: 66(1-4), 2017: 67(1-4), 2018: 68(1-4), 2019: 69(1-4), 2020: 70(1-4), 2021: 71(1-4), 2022: 72(1-4), 2023: 73(1-4), 2024: 74(1-4), 2025: 75(1-4), 2026: 76(1)
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CLOCKSS Archive
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In Progress
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2026-04-06
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34 to 54, 67 to 76
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CLOCKSS Archive
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Preserved
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2026-04-06
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55 to 66
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LOCKSS Archive
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In Progress
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2026-04-06
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75, 76
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Library of Congress
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Preserved
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2025-04-07
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60 (2 to 5); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4)
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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 (1-6); 2 (1-6); 3 (1-6); 4 (1-6); 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 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-3); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1, 2, 4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (2-4); 41 (1-4); 42 (2); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1, 2, 3-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-5); 61 (1-3); 62 (1-4); 63 (1-4); 64 (1-4); 65 (1, 2); 66 (1-4); 67 (1-4); 68 (1-4); 69 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 64 (1 to 4), 65 (1 to 4), 66 (1 to 4), 67 (1 to 4), 68 (1 to 4)
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