http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Converted flexible materials for packaging and other uses
Prior to January 1976 issues were classified C 56.216:MQ-26F during the time the Census Bureau was subordinate to Social and Economic Statistics Administration.
Current industrial reports. M26F, Converted flexible packaging products
Current industrial reports. MQ-26F, Converted flexible materials for packaging and other uses