Manganese brown is a mixed oxide of manganese and was only seldom employed in oil painting. The name has been used also for other pigments such as umber.
Earth without Art Is Just … “Eh”. Unearthing Natural Pigments in the…, by Cleveland Museum of Art, CMA Thinker
brown - ColourLex - Art and Science
Material-Archiv
PDF) History under the Microscope: the Pigments Used in the Funerary Chamber of the Early Hellenistic Period Tomb in Documaci Mound, at Kallatis, on the Western Black Sea
Timeline for brown pigments - ColourLex
New Schmincke YN MN Watercolors, Art Supply Blind Bag, Swatching Colors & Easy Gouache Bookmark!
Pigments by type - ColourLex
Pigments containing the elements Fe, Co, or Cu - ColourLex
Dream interpretation,meaning of - Dreams Interpretation of Brown.Dreams about Dreams Interpretation of Brown
Nitrogen - ColourLex - Art and Science
Old pigments painting blog: Vandyke Brown
PBr8, Manganese Brown, Brown, Artist Paints
Umber - ColourLex
Library of color : r/Damnthatsinteresting