Bichromate of Potash, [32].
Birch, [38], [42], [43], [99], [103].
Black, [122-123]; from logwood, [79-85].
Black Dye Plants, [44].
Blue, [63]; from Indigo, [66-75]; from lichen, [61]; from logwood, [79-85].
Blue black, [81].
Blue Dye Plants, [39].
Blue stone, [33].
Blue vitriol, [33-36].
Bois de Campêche, [77].