Other hyponyms of papers include
ballot,
brevet,
capitulation,
certificate,
certification,
credential,
credentials,
charter,
commercial document,
commercial instrument,
confession,
copyright,
right of first publication,
enclosure,
inclosure,
form,
instrument,
legal document,
legal instrument,
official document,
papyrus,
patent,
patent of invention,
platform,
political platform,
political program,
program,
resignation,
declaration,
resolution,
resolve,
source,
voucher,
report,
study,
written report.