Letter to Mahmoud Riad from William F. Lamb (Shreve, Lamb & Harmon)
Statement from RIBA regarding Mahmoud Riad's involvement in 500 Fifth Avenue and the Empire State Building
Letter to Mahmoud Riad from H.R.H. Prince Abdullah Faisal El Saoud (in Arabic)
Letter to Mahmoud Riad from Kenzo Tange
Letter of invitation to become a Fellow at the American Institute of Architects from Richard Roth Jr
Letter to Mahmoud Riad from the United Nation regarding the 1957 Planning Report on Egypt
Copy of the United Nations 1957 Planning Report on Egypt, sent to Mahmoud Riad
Invitation from the United Nations to the Expert Meeting on Metropolitan Planning
Letter to Mahmoud Riad from the United Nations confirming his participation in the Expert Meeting on Metropolitan Planning
Invitation for Mahmoud Riad to take part in the evaluation Kuwait Skeletal Masterplan
Letter to Mahmoud Riad from Jac. P. Thijsse regarding the evaluation of the Kuwait Skeletal Masterplan
Letter to Mahmoud Riad from Reima Pietela
Letter to Mahmoud Riad from Sune Lindstrom of the VBB
Letter to Mahmoud Riad from Professor Charles Herbert Reily from the School of Architecture of the University of Liverpool
Letter to Mahmoud Riad from One Crown Office Row regarding the Kuwait International Airport