Author not established. Osman Saleh Sabbe. Date not established. EHREA archive: /library/documents/doc-4904a96c77997ede1094d453/
[1] Osman Saleh Sabbe. Original source: http://www.ehrea.org/sabee.php. Preserved original: /library/originals/b2848185e8a0079a63bc1556a33542747a80a729bb79a93b62a5a7fbdc86b195.html. SHA-256: b2848185e8a0079a63bc1556a33542747a80a729bb79a93b62a5a7fbdc86b195