. . . . . . . . . . . "Allen G. Hall" . "Allen A. Hall" . "1913" . "Allen" . . . "Allen Hall (University of Pittsburgh)" . . . . . "Allen Hall, University of Pittsburgh (Old Mellon Institute)" . . . . . . . "Allen Hall (University of Pittsburgh)" . . . . . "Allen Hall" . . . "Zink-Allen Hall" .