D. Jacques-Meunié
Cités caravanières de Mauritanie — Tichite et Oualata:
http://www.persee.fr/docAsPDF/jafr_0037-9166_1957_num_27_1_1879.pdf
Amelia Dowler and Elizabeth R. Galvin
Money, Trade and Trade Routes in Pre-Islamic North Africa:
http://www.britishmuseum.org/pdf/Money_Trade_and_Trade_Routes_online.pdf
Intisar Soghayroun Elzein Soghayroun
Trade and Wadis System(s) in Muslim Sudan:
http://bora.uib.no/bitstream/handle/1956/3994/Trade;jsessionid=46F351043BDE8AE0DFF34E18712305F1.bora-uib_worker?sequence=1
Michel Abitbol
Le Maroc et le commerce transsaharien du XVIIe au début du XIXe siècle:
http://www.persee.fr/doc/remmm_0035-1474_1980_num_30_1_1887
Kari A. Staros
The developments of the Trans-Saharan and Trans-Mediterranean trade routes (1996):
http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=1078&context=uhp_theses
Ghislaine Lydon
Writing Trans-Saharan History: Methods, Sources and Interpretations Across the African Divide (2003):
http://www.history.ucla.edu/sites/default/files/u184/lydon/writing_trans-saharan_history.pdf
Eric Ross
A historical Geography of the Trans-Saharan Trade (2011):
https://www.academia.edu/2240390/Ross_A_Historical_Geography_of_the_Trans-Saharan_Trade_2011
Metropolitan Museum of Art
The Trans-Saharan Gold Trade (7th–14th Century):
https://www.metmuseum.org/toah/hd/gold/hd_gold.htm
José Luis Villar Iglesias
Al-Andalus y las fuentes del oro (2016)
http://fondosdigitales.us.es/media/thesis/3256/GEOHIS-PROV39.pdf
Researchomnia
Ancien trade between sub-Saharan West Africa and the Romans (2017)
http://researchomnia.blogspot.com/2017/11/ancient-trade-between-west-sub-saharan.html
Cités caravanières de Mauritanie — Tichite et Oualata:
http://www.persee.fr/docAsPDF/jafr_0037-9166_1957_num_27_1_1879.pdf
Amelia Dowler and Elizabeth R. Galvin
Money, Trade and Trade Routes in Pre-Islamic North Africa:
http://www.britishmuseum.org/pdf/Money_Trade_and_Trade_Routes_online.pdf
Intisar Soghayroun Elzein Soghayroun
Trade and Wadis System(s) in Muslim Sudan:
http://bora.uib.no/bitstream/handle/1956/3994/Trade;jsessionid=46F351043BDE8AE0DFF34E18712305F1.bora-uib_worker?sequence=1
Michel Abitbol
Le Maroc et le commerce transsaharien du XVIIe au début du XIXe siècle:
http://www.persee.fr/doc/remmm_0035-1474_1980_num_30_1_1887
Kari A. Staros
The developments of the Trans-Saharan and Trans-Mediterranean trade routes (1996):
http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=1078&context=uhp_theses
Ghislaine Lydon
Writing Trans-Saharan History: Methods, Sources and Interpretations Across the African Divide (2003):
http://www.history.ucla.edu/sites/default/files/u184/lydon/writing_trans-saharan_history.pdf
Eric Ross
A historical Geography of the Trans-Saharan Trade (2011):
https://www.academia.edu/2240390/Ross_A_Historical_Geography_of_the_Trans-Saharan_Trade_2011
Metropolitan Museum of Art
The Trans-Saharan Gold Trade (7th–14th Century):
https://www.metmuseum.org/toah/hd/gold/hd_gold.htm
José Luis Villar Iglesias
Al-Andalus y las fuentes del oro (2016)
http://fondosdigitales.us.es/media/thesis/3256/GEOHIS-PROV39.pdf
Researchomnia
Ancien trade between sub-Saharan West Africa and the Romans (2017)
http://researchomnia.blogspot.com/2017/11/ancient-trade-between-west-sub-saharan.html