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Portico
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Preserved
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2026-05-28
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Preserved : 1980: 1(1-4), 1981: 2(1-4), 1981: 3(1-4), 1982: 4(1-4), 1982: 5(1-4), 1983: 6(1-4), 1983: 7(1-4), 1983/1984: 8(1-4), 1984: 9(1-4), 1984: 10(1, C), 1984: 11(1-4, ), 1984: 12(1-4, C), 1985: 13(1-4, C), 1985: 14(1-4), 1985: 15(1-4, C), 1985: 16(1-4), 1986: 17(1-4), 1986: 18(1-4), 1986: 19(1-4), 1986: 20(1-4), 1986: 21(C), 1987: 22(1-2), 1987/1989: 23(1-4), 1987: 24(1-4), 1987: 25(1-4), 1987: 26(C), 1987: 27(1-4), 1987: 28(C), 1988: 29(1-4), 1987/1988: 30(1-4), 1988: 31(C), 1988: 32(C), 1988: 33(C), 1988: 34(1-4), 1989: 35(1-2), 1989: 36(1-3), 1989: 37(C), 1989: 38(1-2), 1989: 39(1-2), 1989: 40(C), 1989: 41(C), 1989: 42(1-4), 1990: 43(1-2), 1990: 44(C), 1990: 45(C), 1990: 46(1-2), 1990: 47(C), 1990: 48(C), 1990: 49, 1990: 50(C), 1990: 51(C), 1991: 52(C), 1991: 53(1-2), 1991: 54(C), 1991: 55(C), 1991: 56(C), 1991: 57(1-2), 1991: 58(1-4), 1991: 59, 1991: 60(C), 1991: 61(C), 1992: 62(1-4), 1992: 63(1-4), 1992: 64(1-4), 1992: 65(1-4), 1992: 66(1-4), 1992: 67(C), 1992: 68(1-4), 1992/1993: 69(1-4)
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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, 2, 3-4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (none, 1); 11 (Complete, 1-2, 3-4); 12 (Complete, 1-2, 3-4); 13 (Complete, 1, 2-3, 4); 14 (1, 2, 3-4); 15 (Complete, 1-2, 3-4); 16 (1, 2, 3-4); 17 (1 to 4); 18 (1, 2-4); 19 (1, 2-3, 4); 20 (1-2, 3, 4); 21 (Complete); 22 (1, 2); 23 (1-2, 3, 4); 24 (1, 2-3, 4); 25 (1, 2-4); 26 (Complete); 27 (1-3, 4); 28 (Complete); 29 (1 to 4); 30 (1, 2, 3-4); 32 (Complete); 33; 34 (1 to 4); 35 (1, 2); 36 (none, 1 to 3); 37 (Complete); 38 (1, 2); 39 (1, 2); 40 (Complete); 41; 42 (1, 2, 3-4); 43 (1, 2); 44 (Complete); 45; 46 (1, 2); 47 (Complete); 48; 49; 50; 51; 52; 53 (1, 2); 54 (Complete); 55; 56; 57 (1, 2); 58 (1-2, 3, 4); 59 (Complete); 60; 61; 62 (1-2, 3, 4); 63 (1-2, 3-4); 64 (1, 2, 3-4); 65 (1, 2-3, 4); 66 (1 to 4); 67 (Complete); 68 (1-2, 3, 4); 69 (1, 2-3, 4)
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CLOCKSS Archive
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Preserved
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2026-05-25
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1 to 69
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Internet Archive
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Preserved
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2025-08-08
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16 to 19
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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, 2, 3-4); 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 (C); 11 (1-2, 3-4); 12 (C); 13; 14 (1, 2, 3-4); 15 (C); 16 (1, 2, 3-4); 17 (1-4); 18 (1, 2-4); 19 (1, 2-3, 4); 20 (1-2, 3, 4); 21 (C); 22 (1, 2); 23 (1-2, 3, 4); 24 (1, 2-3, 4); 25 (1, 2-4); 26 (C); 27 (1-3, 4); 28 (C); 29 (1-4); 30 (1, 2, 3-4); 31 (C); 32; 33; 34 (1-4); 35 (1, 2); 36 (1-3); 37 (C); 38 (1, 2); 39 (1, 2); 40 (C); 41; 42 (1, 2, 3-4); 43 (1, 2); 44 (C); 45; 46 (1, 2); 47 (C); 48; 49; 50; 51; 52; 53 (1, 2); 54 (C); 55; 56; 57 (1, 2); 58 (1-2, 3, 4); 59 (C); 60; 61; 62 (1-2, 3, 4); 63 (1-2, 3-4); 64 (1, 2, 3-4); 65 (1, 2-3, 4); 66 (1-4); 67 (C); 68 (1-2, 3, 4); 69 (1, 2-3, 4)
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