Indigo Dye Pits at Zaria - UWDC - UW-Madison Libraries

Woman Working at Indigo Cloth Dying Pit - UWDC - UW-Madison Libraries

Books - African Studies Portal - UW-Madison Libraries - Research Guides at University of Wisconsin-Madison

DermaRite Industries 00263E - McKesson Medical-Surgical

Efficient bioremediation of indigo-dye contaminated textile wastewater using native microorganisms and combined bioaumentation-biostimulation techniques - ScienceDirect

Efficient bioremediation of indigo-dye contaminated textile wastewater using native microorganisms and combined bioaumentation-biostimulation techniques - ScienceDirect

Poet's Garden Teal/Indigo Fabric

Zinaspa todara (Moore, [1884]) - Silver-streaked Acacia Blue

Ebrie Girl Preparing Cassava (Manioc) - UWDC - UW-Madison Libraries

Efficient bioremediation of indigo-dye contaminated textile wastewater using native microorganisms and combined bioaumentation-biostimulation techniques - ScienceDirect