Materials
- Bark (plant material) (tree bark)1
- Bark (plant material) (warps)1
- Bark (plant material) (weavers)1
- Bark cloth8
- Bark cloth (bast of paper mulberry ('broussonetia papyrifera') soaked in sea water, beaten with mallets into squares of "cloth")1
- Barnacle2
- Basalt (basic igneous rock)1,288
- Basalt (basic igneous rock) (?)1
- Basalt (basic igneous rock) (black)2
- Basalt (basic igneous rock) (percussion flaked)3
- Basalt (basic igneous rock) (stone)1
- Batiste4
- Bayeta (single-ply cochineal-dyed bayeta)1
- Bear grass7
- Beargrass1
- Beeswax1
- Beetle elytra1
- Bent-nosed clam shell (macoma nasuta)2
- Bentwood1
- Bigleaf maple shoots1