10-X International Net, Inc., 1977 Box 1, Folder 1 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000s
1961-1962 Box 1, Folder 24 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1962-1964 Box 1, Folder 25 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1964-1966 Box 1, Folder 26 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1964-1967 Box 1, Folder 27-28 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1970-1971 Box 1, Folder 29 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1974-1976 Box 1, Folder 30 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1976-1979 Box 1, Folder 31 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1978 Box 1, Folder 32 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs
1979 Box 1, Folder 33 Columbia University Archives Columbia University Amateur Radio Club records, 1920s-2000sSeries I: CU Amateur Radio Club records, 1920s-2000sLogs