Babcock, Keith Moss2014-09-182026-09-292014-09-182026-09-291973http://arks.princeton.edu/ark:/88435/dsp01f7623d842https://theses-dissertations.princeton.edu/handle/88435/dsp01f7623d842124 PagesThe English Ticket-of-Leave System 1853-1864Princeton University Senior Theses