Guess The Genre #3752

thissideup_annierosen handlewithcare_travelingwilburys
fragile_alanparsons donotbend_tigerclaw
prioritymail_immigrantwagabond specialdelivery_dellareese
bulkrate_splitsville returntosender_jeffthepostman
packinglistenclosed_pennsy documentsenclosed_uncontrolled

Answer: Mail Instructions - Next is Guess the Genre #3753

Or, I don't want to guess - Show Me A List