Materiála du geavahussii : World directory of map collections / compiled by the Section of Geography and Map Libraries ; edited by John A. Wolter (general editor), Ronald E. Grim, and David K. Carrington.
Bajilčálus : World directory of map collections / compiled by the Section of Geography and Map Libraries ; edited by John A. Wolter (general editor), Ronald E. Grim, and David K. Carrington.
Hildobáiki : Ii hildodieđu
Dilli : Dovdameahttun