The title pages are not entirely accurate. This book actually covers statistics from 1943 through 1992, not 1990.
Cover title: Part III / Protectory/St. Gabriel’s Hall / 1943-1990.
Series title: A Supplement to the Statistical History of the Philadelphia Protectory – St. Gabriel’s Hall / Brother Gerald Ronan, F.S.C. / 1898 through 1990.