Ibrahim, Abdelbaki Mohamed (ed). 1999. Necessity of Green Areas in Planning the New Arab City. In Alam al-Bina. Cairo: Center for Planning and Architectural Studies, 13-17/208.
The issue 208 of Alam al-Bina is the dedicated to the history of gardens in different eras, starting with the ancient Egyptian, Assyrian, Babylonian, Roman and Spanish civilizations and ending with the Arabic civilization. Green areas were important elements of planning in these societies and are also part of contemporary design of urban spaces. (Taken from English summary on page 9)