|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (1 to 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 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 16); 19 (1 to 16); 20 (1 to 18); 21 (1 to 18); 22 (1 to 18); 23 (1 to 18); 24 (1 to 18); 25 (1 to 18); 26 (1 to 22); 27 (1 to 22); 28 (1 to 24); 29 (1 to 24); 30 (1 to 24); 31 (1 to 24); 32 (1 to 24); 33 (1 to 24); 34 (1 to 24); 35 (1 to 24); 36 (1 to 24); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 5, 7 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1, 2, 6 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (S1, 1 to 12); 59 (S1, 1 to 12); 60 (1 to 12); 61 (1 to 12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 3)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 50
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-05-18
|
|
|
31 to 66
|
|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
|
|
|
vol.37:1-12;vol.38:1-12;vol.39:1-12;vol.40:1-12;vol.41:1-12;vol.42:1-12;vol.43:1-12;vol.44:1-12;vol.45:1-12;vol.46:1-12;vol.47:1-12;vol.48:1-12;vol.49:1-12;vol.50:1-12;vol.51:1-12;vol.52:1-12;vol.53:1-12;vol.54:1-12;vol.55:1-12;vol.56:1-12;vol.57:1-12;vol.58:1-12,S1;vol.59:1-12,S1,s2;vol.60:1-12
|
|
|
Portico
|
|
Preserved
|
2026-05-14
|
|
|
Preserved : 1961: 1(1-4), 1962: 2(1-4), 1963: 3(1-4), 1964: 4(1-4), 1965: 5(1-4), 1966: 6(1-4), 1967: 7(1-4), 1968: 8(1-4), 1969: 9(1-6), 1970: 10(1-6), 1971: 11(1-6), 1972: 12(1-6), 1973: 13(1-6), 1974: 14(1-12), 1975: 15(1-12), 1976: 16(1-12), 1977: 17(1-12), 1978: 18(1-16), 1979: 19(1-16), 1980: 20(1-18), 1981: 21(1-18), 1982: 22(1-18), 1983: 23(1-18), 1984: 24(1-18), 1985: 25(1-18), 1986: 26(1-22), 1987: 27(1-22), 1988: 28(1-24), 1989: 29(1-24), 1990: 30(1-24), 1991: 31(1-24), 1992: 32(1-24), 1993: 33(1-24), 1994: 34(1-24), 1995: 35(1-24), 1996: 36(1-24), 1997: 37(1-12), 1998: 38(1-12), 1999: 39(1-12), 2000: 40(1-12), 2001: 41(1-12), 2002: 42(1-12), 2003: 43(1-12), 2004: 44(1-12), 2005: 45(1-12), 2006: 46(1-12), 2007: 47(1-12), 2008: 48(1-12), 2009: 49(1-12), 2010: 50(1-12), 2011: 51(1-12), 2012: 52(1-12), 2013: 53(1-12), 2014: 54(1-12), 2015: 55(1-12), 2016: 56(1-12), 2017: 57(1-12), 2018: 58(1, S 1, 2-12), 2019: 59(1, S 1, 2, S 2, 3-12), 2020: 60(1-12), 2021: 61(1-12), 2022: 62(1-12), 2023: 63(1-12), 2024: 64(1-12), 2025: 65(1-12), 2026: 66(1-4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 36 (1 to 9, 11 to 19, 21 to 24); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (S1, 1 to 9, 11, 12); 59 (S1, 1, 2, 4 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 36 (1 to 9, 11 to 19, 21 to 24); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (S1, 1 to 9, 11, 12); 59 (S1, 1, 2, 4 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9)
|
