2004, Michael Clarkson, Quick Fixes for Everyday Fears[1], page 116:
People may become expressionless and rigid in reacting to situations, or they may avoid potentially emotional situations. Some people fear laughter (geliophobia)
2007, Wayne Skiver, Professor Stone - Eye of Re[2], page 75:
So, if you suffer from kainophobia, the fear of anything new, I suggest you click elsewhere. And if you're afflicted by geliophobia, the fear of laughter, cover your ears. And eyes.
2016, Edward McKenney, Savin Hill: A Redheaded Kid’s Memoir[4], page 75:
During every funeral Mass I experienced a severe attack of geliophobia.
