. "building spree" . "fraternity housing" . "fraternity houses" . "communal housing" . "fraternity and sorority houses" . "frat house" . . . "fraternity" . . "Sorority house" . "North American fraternity and sorority housing" . . . "traditional house on Greek row" . . "special housing" . "sorority houses" . "sorority house" . "houses" . "traditional Greek housing" . "massive wave of ''building'' projects" . "social houses" . "traditional Greek houses" . "North American fraternity and sorority housing" . "house" . "house was rented" . . "house mother" . "fraternity house" . "chapter" .