This Billie Jean foto contains
fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, schipper, leghorn, panama, hoed, zeeman, skimmer, strooien hoed, livorno, panama hoed, matroos, stro hoed, vierdeukenhoed, and campagne hoed.
There might also be
porkpie, porkpie hat, porkpie hoed, sombrero, bever, and castor.