變更

*{{cite journal|title = George Babcock Cressey, 1896-1963 | first = Theodore | last = Herman | journal = Annals of the Association of American Geographers |date=June 1965 | volume = 55 | issue = 2 | doi = 10.1111/j.1467-8306.1965.tb00524.x | pages=360–364}}

*{{cite journal|title = Obituary: George Babcock Cressey 1896-1963|first = Preston | last = James | journal = Geographical Review | volume = 54 | issue = 2 |date=April 1964}}