Most of the material documenting the Beirut Green Line from the war of 1975 - 1990 is part of a collaborative project between professors Ole Møystad of department of architecture at the American University of Beirut and Børre Ludvigsen of the department of informatics at Østfold College, Norway.

See also:
A Post-War Urban Geography of Beirut by Michael F. Davie
Morphogenesis of the Beirut Green-Line by Ole Møystad
and other articles on history and geography.