Arabic is the primary language of the Middle East.
Rutgers-Access:
Arabic at Rutgers
Arabic Collections Online
Arabic Collections Online (ACO) is a publicly available digital library of public domain of Arabic language content.
Arabic Language and Linguistics by Katz, E. Graham.; Bassiouney, Reem, 2012, online.
The Arabic Language by Versteegh, C. H. M., Alexander and Robeson libraries, PJ6075.V46 1997
A Cultural History of the Arabic Language by Sharron Gu, Alexander Library, PJ6075.G8 2014
Standard Arabic an Advanced Course by Cambridge University Press (2018), accessible at Cambridge Histories Online. Designed for those taking advanced Arabic, so for those who have taken it for over a year at least.