Columbia subject headings:
Christianity and other religions--Islam--Early works to 1800.
Middle East--Description and travel.
Ricoldo, da Montecroce, 1242 or 1243-1320--Knowledge and learning--Islam.
Ricoldo, da Montecroce, 1242 or 1243-1320--Travel--Iraq.
Travel, Medieval.
Harvard subject headings:
Christianity and other religions--Islam--Early works to 1800
Middle East--Description and travel
Ricoldo, da Montecroce, 1242 or 1243-1320--Knowledge and learning--Islam.
Ricoldo, da Montecroce, 1242 or 1243-1320--Travel--Iraq.
Travel, Medieval
Princeton subject headings:
Christianity and other religions--Islam--Early works to 1800.
Middle East--Description and travel.
Ricoldo, da Montecroce, 1242 or 1243-1320--Knowledge and learning--Islam.
Ricoldo, da Montecroce, 1242 or 1243-1320--Travel--Iraq.
Travel, Medieval.