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Attendees at the 1959 IAAO conference in Philadelphia. The organization changed its name this year from the National Association of Assessing Officers (NAAO) to the International Association of Assessing Officers (IAAO).
Attendees at the 1959 IAAO conference in Philadelphia. The organization changed its name this year from the National Association of Assessing Officers (NAAO) to the International Association of Assessing Officers (IAAO).
