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Portico
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Preserved
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2026-02-12
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Preserved : 1947: 1(C), 1962: 1-50, 1948: 2(C), 1949: 3(C), 1950: 4(C), 1950: 5(C), 1950: 6(C), 1951: 7(C), 1952: 8(C), 1952: 9(C), 1953: 10(C), 1953: 11(C), 1953: 12(1-2), 1954: 13(C), 1954: 14(C), 1954: 15(1-4), 1955: 16(C), 1955: 17(C), 1955: 18(C), 1956: 19(C), 1956: 20(C), 1956: 21(1-3), 1956: 22(1-3), 1957: 23(C), 1957: 24(C), 1957: 25(C), 1957: 26(1-3), 1958: 27(C), 1958: 28(C), 1958: 29(1-3), 1958: 30(1-3), 1959: 31(1-2), 1959: 32(C), 1959: 33(1-2), 1959: 34(C), 1959: 35(C), 1959: 36(1-2), 1960: 37(1-3), 1960: 38(C), 1960: 39(1-3), 1960: 40(C), 1960: 41(1-3), 1960: 42(C), 1960: 43(C), 1960: 44(C), 1960: 45(C), 1961: 46(1-3), 1961: 47(1-3), 1961: 48(1-3), 1961: 49(1-3), 1961: 50(1-3), 1961: 51(1-3), 1961: 51-100, 1961: 52(1-3), 1961: 53(1-3), 1961: 54(1-3), 1962: 55(1-6), 1962: 56(C), 1962: 57(1), 1962: 58(1-3), 1962: 59(1-3), 1962: 60(1-3), 1962: 62(1-3), 1962: 63(1-3), 1962: 64(1-3), 1962: 65(1-3), 1963: 66(C), 1963: 68, 1963: 69, 1963: 70(C), 1963: 71(C), 1963: 72, 1963: 73(1-4), 1963: 74, 1963: 75(C), 1963: 76, 1963: 77(C), 1963: 78(1-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12 (1-2); 13; 14; 15 (1 to 4); 16; 17; 18; 19; 20; 21 (1 to 3); 22 (, 1 to 3); 23; 24; 25; 26 (1 to 3); 27; 28; 29 (1 to 3); 30 (, 1 to 3); 31 (, 1, 2); 32; 33 (1, 2); 34; 35; 36 (1, 2); 37 (, 1 to 3); 38; 39 (1 to 3); 40; 41 (1 to 3); 42; 43; 44; 45; 46 (1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51-100 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1-2, 3 to 6); 56; 57 (1); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66; 67; 69; 70; 71; 73 (1 to 4); 74; 75; 77; 78 (1 to 4); 266 (, 3); 1000; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1972; 1989
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 60, 62 to 66, 69 to 71, 74, 75, 77, 78
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Internet Archive
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Preserved
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2025-08-08
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16 to 1452
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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 (C); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12 (1-2); 13 (C); 14; 15 (1-4); 16 (C); 17; 18; 19; 20; 21 (1-3); 22 (1-3); 23 (C); 24; 25; 26 (1-3); 27 (C); 28; 29 (1-3); 30 (1-3); 31 (1, 2); 32 (C); 33 (1, 2); 34 (C); 35; 36 (1, 2); 37 (1-3); 38 (C); 39 (1-3); 40 (C); 41 (1-3); 42 (C); 43; 44; 45; 46 (1-3); 47 (1-3); 48 (1-3); 49 (1-3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-2, 3-6); 56 (C); 57 (1); 58 (2, 3); 59 (1-3); 60 (1-3); 62 (1-3); 63 (1-3); 64 (1-3); 65 (1-3); 66 (C); 69; 70; 71; 74; 75; 77; 78 (1-4); 91 (1, 2)
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