Kinds of Letters

• kinds of letters
• --------
• aerogram
• air letter
• airgraph [Brit]
• apostolic or papal brief
• bull
• chain letter
• circular letter
• cover letter
• dead letter
• Dear John
• dimissory letter or dimissorial
• drop letter
• encyclical
• encyclical letter
• epistle
• fan letter
• form letter
• invitation
• letter credential
• letter of condolence
• letter of credence
• letter of credit
• letter of delegation
• letter of introduction
• letter of marque
• letter of recommendation
• letter of request
• letter of resignation
• letter overt
• letter patent
• letter rogatory
• letter testamentary
• love letter or billet doux [Fr]
• market letter
• memorandum or memo
• monitory or monitory letter
• newsletter
• open letter
• paschal letter
• pastoral letter
• pink slip
• poison-pen letter
• round robin