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