In addition to this, place a comma after the name of the addressee, a comma after the street address, if one be given, and after the name of the town or city.
"Practical Grammar and Composition"
Thomas Wood
There is one addressee to whom I have not lifted up my eyes.
"The Debit Account"
Oliver Onions
Gallio, the addressee of the eleventh poem, is frequently quoted by the elder Seneca.
"The Last Poems of Ovid"
Ovid