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