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Scholars Portal
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Preserved
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2026-03-19
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Preserved : I (1 to 4); II (1 to 4); III (1 to 4); IV (1 to 4); V (1 to 4); VI (1 to 4); VII (1 to 4); VIII (1 to 4); IX (1 to 4); X (1 to 4); XI (1 to 4); XII (1 to 3); XIII (1959dec, 1960mar); XIV; XV (1 to 4); XVI (1 to 4); XVII (1 to 4); XVIII (1 to 4); 19 (1 to 3); 20 (1 to 4); 21 (1967sep, 1968mar); 22 (1969mar); 23; 24 (1 to 4); 25 (1 to 4); 26 (1972sep, 1973dec); 27 (1974mar); 28; XXIX (1 to 4); XXX (1 to 4); XXXI (1 to 4); 32 (1); 33; XXXIV (2 to 4); XXXV (1 to 4); 36 (1); 37; 38 (2 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 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 4); 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 (suppl_1, 1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (suppl_1, 1, 2); 72 (1, 2, 4); 73 (Supplement_1, 2 to 4); 74 (1, 3, 4); 75 (1 to 4); 76 (1 to 4); 78 (Supplement_1, 1, 2, 4); 79 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 65
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Portico
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Preserved
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2026-04-16
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Preserved : 1948/1952: I(1-4), 1948/1949/1953: II(1-4), 1949: III(1-4), 1950: IV(1-4), 1951: V(1-4), 1952: VI(1-4), 1953: VII(1-4), 1954: VIII(1-4), 1955: IX(1-4), 1956/1961/1962: X(1-4), 1957/1960/1962: XI(1-4, 1960dec, 1960sep), 1958/1964: XII(1-4), 1959/1960/1964: XIII(1-4, 1959aug-1960jun), 1960: XIV(1960dec, 1960sep), 1961/1962: XV(1-4), 1962/1963: XVI(1-4), 1963/1964: XVII(1-4), 1964: XVIII(1-4), 1965/1966: 19(1-3), 1966/1967: 20(1-4), 1967/1968: 21(1967dec-1968jun), 1968/1969: 22(1968dec-1969jun), 1969: 23(1969dec, 1969sep), 1970/1971: 24(1-4), 1971: 25(1-4), 1972/1973: 26(1972sep-1973jun), 1973/1974: 27(1973dec-1974jun), 1974/1975: 28(1974dec-1975mar), 1976: XXIX(1-4), 1977/1982: XXX(1-4), 1978/1981: XXXI(1-4), 1979: 32(1), 1980: 33(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1981: XXXIV(1-4), 1982: XXXV(1-4), 1983: 36(1), 1984: 37(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1985: 38(1-4), 1986: 39(1-4), 1987: 40(1-4), 1988: 41(1-4), 1989: 42(1-4), 1990: 43(1-4), 1991: 44(1-4), 1992: 45(1-4), 1993: 46(1-4), 1994: 47(1-4), 1995: 48(1-4)
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LOCKSS Archive
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Preserved
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2026-04-13
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58 to 77
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CLOCKSS Archive
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Preserved
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2026-04-13
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61 to 71
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 61(1-4), 2009: 62(1-4), 2010: 63(1-4), 2011: 64(1-4), 2012: 65(1-4), 2013: 66(1-4), 2014: 67(1-4), 2015: 68(1-4), 2016: 69(1-4), 2016/2017: 70(1-4), 2018: 71(1-4), 2019: 72(1-4), 2020: 73(1-4), 2021: 74(1-4), 2022: 75(1-4), 2023: 76(1-4), 2024: 77(1-4), 2025: 78(1-4), 2026: 79(1)
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CLOCKSS Archive
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In Progress
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2026-04-13
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72 to 78
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LOCKSS Archive
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In Progress
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2026-04-13
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78, 79
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Portico
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Preserved
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2026-04-16
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Preserved : 1999: 52(2, 4), 2000: 53(2, 4), 2001: 54(1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 6 (1 to 4); 7 (1 to 4); 59 (1 to 4); 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 (suppl_1, 1 to 4); 69 (1 to 4); 71 (suppl_1, 1 to 4); 72 (1 to 4); 73 (Supplement_1, 1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 6 (1 to 4); 7 (1 to 4); 59 (1 to 4); 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 (suppl_1, 1 to 4); 69 (1 to 4); 71 (suppl_1, 1 to 4); 72 (1 to 4); 73 (Supplement_1, 1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (Supplement_1, 1 to 4)
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British Library
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Preserved
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2019-09-18
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Preserved : 67 (1 to 2), 68 (1 to 2; 4; S1), 69 (1 to 4), 70 (2 to 3), 71 (2 to 3), 72 (2)
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