What is another word for "colophon"?

Roget's Thesaurus (1911) lists these synonyms for "colophon": aftergame, aftergrowth, afterpiece, afterthought, appendage, appendix, arriere, codicil, continuation, epilogue, heelpiece, last, more, outgrowth, peroration, piece, postscript, queue, rear, retinue, second, sequel, sequela, successor, suffix, suite, tag, tail, trail, train, wake.