ZBW - Leibniz Information Centre for Economics
1978-2017
Preserved
2026-03-10
Preserved : 1:1;1:2 to 1:3;2:1 to 2:3;3:1 to 3:3;4:1 to 4:3;5:1 to 5:3;5:4;6:1 to 6:2;6:3 to 6:4;7:1 to 7:2;7:3 to 7:4;8:1;8:2 to 8:3;8:4;9:1;9:2 to 9:4;10:1 to 10:4;11:1 to 11:3;11:4;12:1 to 12:4;13:1;13:2 to 13:4;14:1 to 14:4;15:1 to 15:4;16:1 to 16:4;17:1 to 17:4;18:1 to 18:4;19:1 to 19:4;20:1 to 20:4;21:1 to 21:4;22:1 to 22:4;23:1 to 23:4;24:1 to 24:4;25:1 to 25:4;26:1 to 26:4;27:1 to 27:4;28:1 to 28:4;29:1 to 29:4;30:1 to 30:4;31:1 to 31:4;32:2;32:1;32:3 to 32:4;33:1;33:2 to 33:4;34:1 to 34:4;35:1 to 35:4;36:1 to 36:4
Scholars Portal
1996-2020
Preserved
2026-03-19
Preserved : 15 (2 to 4); 16 (1 to 4); 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 to 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)
Portico
1978-2020
Preserved
2026-05-28
Preserved : 1978/1979: 1(1-3), 1980: 2(1-3), 1981: 3(1-3), 1982: 4(1-3), 1983/1984: 5(1-4), 1984/1985: 6(1-4), 1985/1986: 7(1-4), 1986/1987/1988: 8(1-4), 1988/1989: 9(1-4), 1990: 10(1-4), 1991/1992: 11(1-4), 1993: 12(1-4), 1993/1994: 13(1-4), 1995: 14(1-4), 1996: 15(1-4), 1997: 16(1-4), 1998: 17(1-4), 1999: 18(1-4), 2000: 19(1-4), 2001: 20(1-4), 2002: 21(1-4), 2003: 22(1-4), 2004: 23(1-4), 2005: 24(1-4), 2006: 25(1-4), 2007: 26(1-4), 2008: 27(1-4), 2009: 28(1-4), 2010: 29(1-4), 2011: 30(1-4), 2012: 31(1-4), 2012/2013: 32(1-4), 2014: 33(1-4), 2015: 34(1-4), 2016: 35(1-4), 2017: 36(1-4), 2018: 37(1-4), 2018/2019: 38(1-4), 2020: 39(1)
LOCKSS Archive
1978-1999
In Progress
2026-05-25
1, 1 to 18
CLOCKSS Archive
1978-2017
Preserved
2026-05-25
1, 13 to 36
LOCKSS Archive
1978-2017
Preserved
2026-05-25
1 to 36
CLOCKSS Archive
1980-1993
In Progress
2026-05-25
2 to 12
National Digital Preservation Program, China
2000-2017
Preserved
2025-12-04
Preserved : 2 (1 to 4); 3 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 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); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4)
Library of Congress
1979-2017
Preserved
2025-04-07
1 (1 to 3); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 3/4); 10 (1/2, 3/4); 11 (1 to 4); 12 (1/2, 3/4); 13 (1, 2/3, 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 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 to 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)