http://www.westeros.org/Citadel/Heraldry/ – sigils

http://www.pitt.edu/~dash/type0124.html#lang – three little pigs (arya)

http://www.poetryfoundation.org/poem/176345 – little bo peep (cat)

http://www.mothergooseclub.com/rhymes_parent.php?id=130 – jack and jill (jaime and cersei)

http://www.hubbardscupboard.org/nursery_rhyme_words.html – humpty dumpty (ned or oberyn)

– peter peter pumpkin eater (little finger)

– twinkle twinkle little star (dany and the comet)

http://www.taleswithmorals.com/aesop-fable-the-ass-in-the-lion’s-skin.htm – ass in lions skin (joffrey)

http://www.taleswithmorals.com/the-sick-stag.htm – robert b