The New Old Age blog on NYTimes: http://newoldage.blogs.nytimes.com/

Mayo Clinic list of warning signs for aging parents: http://www.mayoclinic.org/healthy-lifestyle/caregivers/in-depth/aging-parents/art-20044126

Tips on caring for aging parents, from having the first discussion to budgeting for residential care: http://lifehacker.com/how-to-care-for-your-aging-parents-1688333666

A selection of pieces of Huffington Post on caring for elderly parents: http://www.huffingtonpost.com/news/caring-for-elderly-parents/

Addressing sibling responsibility in caring for parents: http://www.pbs.org/newshour/updates/youre-sharing-care-aging-parents/

On the question of moving an elderly parent into your home: https://www.caring.com/articles/moving-in-aging-relative-or-parent