SEC Filings

Filing date	Form	Description	View
Feb 23, 2021	8-K	Report of unscheduled material events or corporate event	View HTML Q1-2021-02-23-17-26.cleaned.pdf 152.5 KB 0000046619-21-000017.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Dec 21, 2020	8-K	Report of unscheduled material events or corporate event	View HTML Q4-2020-12-21-17-18.pdf 132.4 KB 0000046619-20-000073.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Dec 14, 2020	8-K	Report of unscheduled material events or corporate event	View HTML 12-14-2020 8K Credit Agreement Amendment.pdf 267.3 KB 0000046619-20-000071.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Aug 25, 2020	8-K	Report of unscheduled material events or corporate event	View HTML Q3-2020-08-26-08-36.cleaned.pdf 161.4 KB 0000046619-20-000041.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
May 26, 2020	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-20-000015.pdf 0000046619-20-000015.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 15, 2020	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-20-000013.pdf 0000046619-20-000013.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Mar 24, 2020	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-20-000008.pdf 0000046619-20-000008.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Feb 25, 2020	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-20-000004.pdf 0000046619-20-000004.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Dec 16, 2019	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-19-000092.pdf 0000046619-19-000092.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
Aug 27, 2019	8-K	Report of unscheduled material events or corporate event	View HTML 0000046619-19-000059.pdf 0000046619-19-000059.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

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