al-Mawsūʻah al-Hāshimīyah fī al-qarn al-ʻishrīn
Subtitle: dirāsah wathāʾiqīyah akādīmīyah fī al-awḍāʻ al-tārīkhīyah wa-al-siyāsīyah lil-mamālik al-Hāshimīyah al-mashīdah fī al-Mashriq al-ʻArabī khilāla al-qarn al-ʻishrīn
By: Ibrāhīm al-ʻAṭṭār = Hashemite encyclopedia in the twenteth (sic) century : an academic & decomentary [sic] study in hostorical [sic] & political envinrements [sic] of the Hashemite kingdoms established in the Eastern Arabia during the twenteth [sic] century / Ibrahim Al-Attar
Edition: al-Ṭabʻah 1.
Publisher: Mudīrīyat al-Maṭābiʻ al-ʻAskarīyah
Published: 1995
Place of publication: ʻAmmān
Language: ara
Subjects: Hashimites; History
Other titles: Hashemite encyclopedia in the twenteth (sic) century; Hashemite encyclopedia in the twentieth century
Notes: Includes bibliographical references.

English summary in vol. 5.