From a list of 137 optional forms of address included on a survey sent to Harvard University alumni asking them to indicate their “preferred address” for the 2010 Harvard Alumni Directory.

Abbot
Archbishop
Baroness
Bhikkhu
Bishop
Cantor
Captain
Chief
Count
Datuk Haji
Her Excellency
His Highness
His Majesty King
Imam
Khawaja
Madame
Madam Justice
Maestro
Mademoiselle
Monsignor
The Most Honourable
The Right Honourable Sir
President
Princess
Reverend Monsignor
Sheikh
Sheriff
Tan Sri
The Venerable