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Internet Archive
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Preserved
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2025-08-08
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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 3); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 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, 2-3, 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 (s1, 1 to 4); 41 (s1, 1 to 4); 42 (s1, 1 to 4); 43 (1 to 4); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1 to 5); 49 (1 to 5); 50 (1 to 5); 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 5); 59 (1 to 4); 60 (1 to 4); 61 (1_suppl, 2 to 4); 62 (1_suppl, 2 to 4); 63 (1_suppl, 2 to 5); 64 (1_suppl, 2 to 4); 65 (1_suppl, 2 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)
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Internet Archive
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Preserved
|
2025-08-08
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1 to 62
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Portico
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Preserved
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2026-04-23
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Preserved : 1953: 1(1-3), 1954: 2(1-3), 1955: 3(1-3), 1956: 4(1-3), 1957: 5(1-3), 1958: 6(1-3), 1959: 7(1-3), 1960: 8(1-3), 1961: 9(1-3), 1962: 10(1-3), 1963: 11(1-3), 1964: 12(1-3), 1965: 13(1-3), 1966: 14(1-3), 1967: 15(1-3), 1968: 16(1-3), 1969: 17(1-4), 1970: 18(1-4), 1971: 19(1-4), 1972: 20(1-4), 1973: 21(1-4), 1974: 22(1-4), 1975: 23(1-4), 1976: 24(1-4), 1977: 25(1-4), 1978: 26(1-4), 1979: 27(1-4), 1980: 28(1-4), 1981: 29(1-4), 1982: 30(1-4), 1983: 31(1-4), 1984: 32(1-4), 1985: 33(1-4), 1986: 34(1-4), 1987: 35(1-4), 1988: 36(1-4), 1989: 37(1-4), 1990: 38(1-4), 1991: 39(1-4), 1992: 40(1-4), 1993: 41(1-4), 1994: 42(1-4), 1995: 43(1-4), 1996: 44(1-5), 1997: 45(1-5), 1998: 46(1-3), 1999: 47(1-3), 2000: 48(1-3), 2001: 49(1-4), 2002: 50(1-4), 2003: 51(1-4), 2004: 52(1-4), 2005: 53(1-4), 2006: 54(1-4), 2007: 55(1-4), 2008: 56(1-4), 2009: 57(1-4), 2010: 58(1-4), 2011: 59(1-4), 2012: 60(1-4), 2013: 61(1, S1, 2-4), 2014: 62(1, S1, 2-4), 2015: 63(1, S1, 2-5)
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|
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CLOCKSS Archive
|
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Preserved
|
2026-04-27
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11, 29, 39 to 63
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 1953: 1(1-3), 1954: 2(1-3), 1955: 3(1-3), 1956: 4(1-3), 1957: 5(1-3), 1958: 6(1-3), 1959: 7(1-3), 1960: 8(1-3), 1961: 9(1-3), 1962: 10(1-3), 1963: 11(1-3), 1964: 12(1-3), 1965: 13(1-3), 1966: 14(1-3), 1967: 15(1-3), 1968: 16(1-3), 1969: 17(1-4), 1970: 18(1-4), 1971: 19(1-4), 1972: 20(1-4), 1973: 21(1-4), 1974: 22(1-4), 1975: 23(1-4), 1976: 24(1-4), 1977: 25(1-4), 1978: 26(1-4), 1979: 27(1-4), 1980: 28(1-4), 1981: 29(1-4), 1982: 30(1-4), 1983: 31(1-4), 1984: 32(1-4), 1985: 33(1-4), 1986: 34(1-4), 1987: 35(1-4), 1988: 36(1-4), 1989: 37(1-4), 1990: 38(1-4), 1991: 39(1-4), 1992: 40(1, 1, S, 2-4), 1993: 41(1, 1, S, 2-4), 1994: 42(1, 1, S, 2-4), 1995: 43(1-4), 1996: 44(1-5), 1997: 45(1-5), 1998: 46(1-5), 1999: 47(1-5), 2000: 48(1-5), 2001: 49(1-5), 2002: 50(1-5), 2003: 51(1-4), 2004: 52(1-4), 2005: 53(1-4), 2006: 54(1-4), 2007: 55(1-4), 2008: 56(1-4), 2009: 57(1-4), 2010: 58(1-5), 2011: 59(1-4), 2012: 60(1-4), 2013: 61(1, 1, S, 2-4), 2014: 62(1, 1, S, 2-4), 2015: 63(1, 1, S, 2-5), 2016: 64(1, 1, S, 2-4), 2017: 65(1, 1, S, 2-4), 2018: 66(1-4), 2019: 67(1-4), 2020: 68(1-4), 2021: 69(3-4), 2022: 70(1-4), 2023: 71(1-2, 4), 2024: 72(1-4), 2025: 73(1-4), 2026: 74(1)
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CLOCKSS Archive
|
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In Progress
|
2026-04-27
|
|
|
48 to 55, 64 to 74
|
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LOCKSS Archive
|
|
In Progress
|
2026-04-27
|
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48 to 50, 56, 57, 73, 74
|
|
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LOCKSS Archive
|
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Preserved
|
2026-04-27
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51 to 55, 58 to 72
|
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CLOCKSS Archive
|
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Preserved
|
2026-04-27
|
|
|
56 to 63
|
|
|
National Library of the Netherlands
|
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Preserved
|
2024-12-15
|
|
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Preserved : 1 (1-3); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1, 2-3, 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); 44 (1-5); 45 (1-5); 46 (1-5); 47 (1-5); 48 (1-5); 49 (1-5); 50 (1-5); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-5); 59 (1-4); 60 (1-4); 61 (1, 2, 4); 62 (1, 2, 4); 63 (1, 4, 5); 64 (1-4); 65 (1-4); 66 (1-4); 67 (1-4)
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Library of Congress
|
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Preserved
|
2025-04-07
|
|
|
58 (1 to 5); 59 (1 to 4); 60 (1 to 4); 61 (1_suppl, 1 to 4); 62 (1_suppl, 1 to 4); 63 (1_suppl, 1 to 5); 64 (1_suppl, 1 to 4); 65 (1_suppl, 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 3)
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|
|
British Library
|
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Preserved
|
2019-09-18
|
|
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Preserved : 63 (1 to 5), 64 (1 to 4), 65 (1 to 4), 66 (1 to 4)
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