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
 * round robin