- Brooklyn College Core Web Pages | Halsall Homepage | Other China Web Sites Paul Halsall/Brooklyn College/1996-99 Office Tel (Core 9 Office): (718) 951 5229 Note From Fall 1999, Paul Halsall takes up a position at the University of North Florida. This Core 9 course page remains online for those who are interested, but permanent links should be made to the Internet East Asian History Sourcebook ...acc6.its.brooklyn.cuny.edu/~phalsall