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