Modifiers matching obligation:

• legal,
• outside,
• published,
• financial,
• moral,
• regular,
• military,
• safe,
• ongoing,
• legislative,
• private,
• fixed,
• marketable,
• secure,
• professional,
• ethical,
• basic,
• political,
• governmental,
• corporate,
• public,
• written,
• civil,
• monetary,
• scholarly,
• signed,
• monthly,
• primary,
• contractual,
• small,
• economic,
• sovereign,
• natural,

Simple categories matching published:

• art,
• volume,
• pamphlet,
• material,
• document,
• plan,
• item,
• literature,
• article,
• event,
• research,
• file,
• information,
• content,
• writing,
• illustration,
• output,
• manuscript,
• works,
• guidance,
• source,
• obligation,
• documentation,
• reference,
• representation,
• work,
• copy,
• communication,
• text,
• format,
• product,
• periodical,
• guideline,
• medium,
• book,
• statement,
• graphics,
• journal,
• figure,
• concept,
• yearly,
• study,
• schedule,