File Manifest for ICPSR 9000 Organski, A.F.K., and Jacek Kugler. WAR LEDGER DATA, 1870-1974 [Computer file]. Ann Arbor, MI: A.F.K. Organski and Jacek Kugler, University of Michigan [producers], 198?. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1986. doi:10.3886/ICPSR09000 Details on the version history can be found below the file listings. Study-level Documentation Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-related_literature.txt - - - 2009-11-26 - 09000-manifest.txt - - - 2009-11-27 - 09000-Codebook.txt - - - 1997-06-03 2d26fe4323b4614fe17f2e0618961253 DS0001 Causes of War Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-0001-Data.txt 20 126 unknown 1994-08-09 e06a238906d5fbd4f77ae66cb3a58fe6 DS0002 National Capabilities Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-0002-Data.txt 43 988 unknown 1994-08-09 7aa9131ae00334daf530c5d05f70f4b0 DS0003 GNP Index Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-0003-Data.txt 87 101 22 1994-08-09 57a3fe7813312d866890061402332946 DS0004 Crisis Events Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-0004-Data.txt 20 366 6 1994-08-09 e365af9671b0da0b7dab6104477d8f83 DS0005 U.S./U.S.S.R. Arms Race Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09000-0005-Data.txt 98 32 unknown 1994-08-09 e7e46a8b2180c4d7f9918ddc41e4503c Version History 2006-01-12 All files were removed from dataset 6 and flagged as study-level files, so that they will accompany all downloads.