This Laurel and Hardy wallpaper contains
boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, fedora, felt hat, homburg, stetson, trilby, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.
There might also be
campaign hat, beaver, castor, pith hat, pith helmet, sun helmet, topee, and topi.