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Scholars Portal
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Preserved
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2026-06-02
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Preserved : 69 (1 to 3); 70 (1 to 3); 71 (1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 80 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1, 2); 89 (1 to 4, 5-6); 90 (1 to 3, 5); 91 (1 to 6); 92 (1 to 4, 5-6); 93 (1 to 3, 5, 6); 94 (1 to 6); 95 (1, 2-3, 4, 5); 96 (none); 101; 102
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Internet Archive
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Preserved
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2026-07-13
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1 to 94
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Portico
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Preserved
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2026-07-16
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Preserved : 2021: 2021(1), 2022: 2022(1), 2023: 2023(1), 2024: 2024(1), 2025: 2025(1), 2026: 2026(1)
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CLOCKSS Archive
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Preserved
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2026-07-06
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1 to 70, 72 to 74, 76 to 102
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Portico
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Preserved
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2026-07-16
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Preserved : 1960: 1(1-3), 1961: 2(1-3), 1962: 3(1-3), 1963: 4(1-3), 1964: 5(1-3), 1965: 6(1-3), 1966: 7(1-3), 1966: 8(1-3), 1967: 9(1-3), 1967: 10(1-3), 1968: 11(1-3), 1968: 12(1-3), 1969: 13(1-3), 1969: 14(1-3), 1970: 15(1-3), 1970: 16(1-3), 1971: 17(1-3), 1971: 18(1-3), 1972: 19(1-3), 1972: 20(1-3), 1973: 21(1-3), 1973: 22(1-3), 1974: 23(1-3), 1974: 24(1-3), 1975: 25(1-3), 1975: 26(1-3), 1976: 27(1-3), 1976: 28(1-3), 1977: 29(1-3), 1977: 30(1-3), 1978: 31(1-3), 1978: 32(1-3), 1979: 33(1-3), 1979: 34(1-3), 1980: 35(1-3), 1980: 36(1-3), 1981: 37(1-3), 1981: 38(1-3), 1982: 39(1-3), 1982: 40(1-3), 1983: 41(1-3), 1983: 42(1-3), 1984: 43(1-3), 1984: 44(1-3), 1985: 45(1-3), 1985: 46(1-3), 1986: 47(1-3), 1986: 48(1-3), 1987: 49(1-3), 1987: 50(1-3), 1988: 51(1-3), 1988: 52(1-3), 1989: 53(1-3), 1989: 54(1-3), 1990: 55(1-3), 1990: 56(1-3), 1991: 57(1-3), 1991: 58(1-3), 1992: 59(1-3), 1992: 60(1-3), 1993: 61(1-3), 1993: 62(1-3), 1994: 63(1-3), 1994: 64(1-3), 1995: 65(1-3), 1995: 66(1-3), 1996: 67(1-3), 1996: 68(1-3)
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Portico
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Preserved
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2026-07-16
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Preserved : 2007: 89(2-6), 2008: 90(1-6), 2009: 91(1-6), 2010/2011: 92(1-6), 2011: 93(1-6), 2012/2013: 94(1-6), 2013: 95(1-6), 2014: 96, 2015: 97, 2016: 98, 2017: 99, 2018: 100, 2019: 101, 2020: 102
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Portico
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Preserved
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2026-07-16
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Preserved : 2021: 2021, 2022: 2022, 2023: 2023, 2024: 2024, 2025: 2025, 2026: 2026
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Library of Congress
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Preserved
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2025-04-07
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92 (1 to 5-6); 93 (1 to 6); 94 (1 to 6); 95 (1, 2-3, 4 to 6); 96 (2014); 97 (2015); 98 (2016); 99 (2017); 100 (2018); 101 (2019); 102 (2020); 2023; 2024
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