Answer: addenda

AnswerCrossword Clue
ADDENDA

Things tacked on

ADDENDA

Riders, e.g.

ADDENDA

Supplements

ADDENDA
Appendix items
ADDENDA
Book ends?
ADDENDAThey're found in the back
ADDENDAAppendices
ADDENDAThings in the back
ADDENDASupplementary items
ADDENDABack-of-the-book items
ADDENDACongressional riders, e.g.
ADDENDAPostscripts
ADDENDAStuff in the back of the book
ADDENDAContract extras
ADDENDABack-of-the-book material
ADDENDABook additions
ADDENDABook appendixes
ADDENDATacked-on sections
ADDENDABook supplements
ADDENDAReading supplements
ADDENDABill riders, for example
ADDENDAAppendixes
ADDENDABook supplements.
ADDENDASupplements to books.
ADDENDAAdditional items.
ADDENDASupplements to writings.
ADDENDAPostscripts of a sort.
ADDENDAAppendices.
ADDENDAAppendix.
ADDENDASupplements.
ADDENDAAfterthoughts
ADDENDALast-minute writings
ADDENDABack-of-the-book list
ADDENDAEnd-of-book matter
ADDENDAExtra pages, say
ADDENDADictionary section
ADDENDASupplemental material
ADDENDASupplementary material
ADDENDAExtras
ADDENDARiders